BrainPOP Lessons organized by Topic.

'60s Folk

Learn about 1960s folk and protest music, and musicians like Dylan and Seeger!

3D Printing

The technology that will let you build factory-quality products in your own home!

A Wrinkle in Time

Explore every wrinkle of Madeleine L'Engle's classic science fiction tale.

AAPI Heritage Month

Join the gang for a quiz show in honor of Asian-American and Pacific Islander Heritage Month!

Abraham Lincoln

Meet Abraham Lincoln, the Illinois boy who became the 16th President of the United States, and was known as the Great Emancipator!

Absolute Value

Use a numberline, determine the distance from zero, and decide on positive or negative! Tim and Moby teach you about Absolute Value.


Mass, force, weight: This speedy animated movie gives you velocity on the rules governing acceleration and deceleration!

Acids and Bases

Why do acids eat through metal? Why does dishwashing liquid have a high pH? Tim and Moby talk acids and bases, ions and lemons.


Whether you call them zits, spots, or pimples, acne’s part of puberty! Tim and Moby show you why it happens and how to handle it.

Active and Passive Voice

Active or Passive? Learn how to give voice to your sentences!

Active Transport

Cells need nourishment, too! Tim and Moby introduce you to active transport, where substances move through gaps in a cell membrane.

Ada Lovelace

Meet Ada Lovelace, British mathematician and the first computer programmer!

Adam Smith

Don't be all laissez-faire! It's in your self-interest to meet the inventor of modern economics.


Learn the truth about addiction—from tolerance to abuse to withdrawal—and how it affects the mind, body, and behavior.

Adding and Subtracting Fractions

Tim and Moby add up the two parts of a fraction, the numerator and the denominator.

Adding and Subtracting Integers

Add some integers here, subtract some integers there…Tim and Moby show you how!


Tim and Moby talk about dealing with hyperactivity disorders and how they differ from just being distracted, impulsive, or just plain bored.


Watch this thrilling, informative, amazing, and entertaining movie about adjectives! (And then rewrite that sentence.)


Oh those awkward teenage years, when hormones and growth spurts make us self-conscious and also—nearly!—adults.

Adolf Hitler

The fascist dictator of Germany and leader of the Nazis, Hitler started World War II and was responsible for the murder of millions of people.


Growing up means both fun and responsibility; careers, marriage and even wrinkles are part of a pretty good package!


They beautifully describe verbs, adjectives, other adverbs, nouns, and even whole sentences!

Agatha Christie

It’s no mystery why she’s the best-selling novelist of all time.


Through puberty to adulthood and beyond, aging is a natural part of life. So what happens to your body as you grow older?

Agricultural Revolution

How did domesticating plants and animals lead to a far more stable food supply? The agricultural revolution was a big step forward for us all!


Tim and Moby explain how HIV attacks the immune system and causes AIDS in this BrainPOP movie.

Air Pollution

Air pollution is bad for people and for the environment. Tim and Moby will show you how it is created and how to prevent it!


Airbags in cars reduce injuries in accidents, but how do they work? And why do you still need your seatbelt? Learn the truth from Tim and Moby!

Airport Security

Grab your passport, and don’t forget to take off your shoes before getting x-rayed! TIm and Moby walk you through airport security.

Alan Turing

Come crack top-secret codes with Alan Turing, the Mathematics visionary who conceived of the first computer and helped the Allies win World War II.

Albert Einstein

Tim and Moby introduce you to the Nobel-winning scientist Albert Einstein, the physicist who revolutionized our understanding of space and time.


You probably know alcohol is a drug, and even that it’s a depressant—but learn why intoxication is particularly bad for young people.

Alexander Hamilton

Meet the ten-dollar Founding Father whose way with words and mastery of money helped shape America into the financial powerhouse it is today!


There's life on that thar pond! Tim and Moby discuss algae, photosynthesis, and chlorophyll, plus algae's environmental impact.

Alice Ball

Meet Alice Ball, the brilliant young scientist who developed the first effective treatment for leprosy.


Unless you’re watching sci-fi, it’s awfully hard to find an E.T. Tim and Moby learn why searching for extraterrestrial intelligence is so difficult.


Hives, sneezing, runny nose? Tim and Moby are itching to teach you about allergies!

Alvin Ailey

Meet Alvin Ailey, an innovator in modern dance, who brought African-American culture to the masses.

Alzheimer's Disease

Dementia can be more than being forgetful; it’s a progressive illness.

Amelia Earhart

Take off with Amelia Earhart, the most famous aviatrix of all time, whose last flight remains a mystery.

American Revolution

Learn how a ragtag army of colonial underdogs took on the British, the mightiest military in the world!


Learn the life-cycle of amphibians, those super-adaptable creatures that include frogs, toads, salamanders, and newts. Ribbit!

Analog and Digital Recording

Tim and Moby talk about the technology that records sound: Cds, mp3s, even cassette tapes!

Andrew Jackson

“Old Hickory” increased presidential powers and was the first self-made man to become president, but his Indian Removal Act and support for slavery make him a complicated figure.


Learn about the difference between acute, obtuse, and right angles.

Anne Frank

Learn about Anne Frank's life in hiding during the Holocaust, and why her diary continues to touch readers around the world.


Learn what causes anthrax, who can get it, and what can be done about it.

Antibiotic Resistance

Don't be scared of antibiotic-resistant "superbugs"--be informed!

Antonyms, Synonyms, and Homonyms

What’ll you have on your bagel—lox or locks? Tim and Moby will teach you about grammar, pronunciation, and how words relate!


Are ants pests, or fascinating escoskeletal insects with a complex social network of drones and workers? Moby knows the answer!


Distinguish between anxious feelings that are healthy and anxiety disorders, and teach strategies for calming down.


Learn about the history of South Africa's racial segregation, and the fight to end it!

Apollo Project

Houston, we have a movie! Find out about space exploration and the lunar landing as Tim and Moby introduce you to NASA’s famous Apollo Project.


Would you let Moby operate on a vestigal part of your intestine? Neither would Tim!


Creepy crawly arachnids are super cool! Spiders, tics and scorpions all belong to this group of arthropods--but who spins silk and who shoots venom?


You want Architecture? We’ve got Modern, Renaissance, Gothic, Tudor--so how do you like your buildings?

Area of Polygons

Tim and Moby show you how to find the area of polygons like triangles, trapezoids, and parallelograms.

Armed Forces

Army, Navy, Air Force, Marines and. . what? Tim and Moby introduce you to all five branches of the American Armed Forces, and march you through their jobs and histories.

Articles of Confederation

Learn how the United States was governed before the Constitution was written!

Artificial Intelligence

Learn all about AI: what it is, how it works, how to use it responsibly, and where this rapidly changing technology might be headed next.

Asexual Reproduction

It may take two to tango, but it only takes one to reproduce asexually!

Assembly Line

Ever hear of the Industrial Revolution? If you have, then you MUST know about the assembly line! Put this movie on your conveyer belt and learn more.

Associative Property

Tim and Moby introduce you to the associative property of addition and multiplication, a form of grouping which simplifies algebra problems.


A shooting star may have wiped out the dinosaurs!? Find out more about the space rocks known as asteroids.


Asthma can be caused by pollution, allergies, dust, or heredity. Tim and Moby help you learn how to breathe easy!

At-Home Fitness

Exercise is key for physical and mental health. Learn how to stay active from the comfort of home with a fun new card game!


Democracy, drama, and the Olympics! Learn about the ancient city-state of Athens, Greece, where much of the culture we take for granted today was invented!

Atomic Model

Tim and Moby discuss how electrons and neutrons were discovered, what atoms are made of, and how long it took to create an atomic model!


Atoms are everything! Tim and Moby introduce you to atoms, which contain all the elements in the universe, and to the concepts of atomic number and atomic mass.


Autism. You know the word and might even be familiar with the term ASD. But, it's time to learn all the facts about this increasingly common condition.

Autumn Leaves

Autumn leaves are more than than just pretty foliage: Learn why deciduous leaves change color in this animated movie!


Tim and Moby discuss the terrible power of avalanches, snowy natural disasters caused by opposing forces of stress and strength.

Avian Flu

Sounds like a scary movie, with mutating viruses! Tim and Moby tell how Avian Flu can be controlled with culling, vaccines, and embargos.

Aztec Civilization

Tim and Moby lead you into the Valley of Mexico for a look at the powerful Mesoamerican civilization, and how the conquistuadors engineered their fall.


From fertilization through pregnancy to birth, it takes a lot to make a person! And Moby’s got a toasty little bundle of joy. . .

Back to School

Help students transition to a new school year with strategies to prepare for day one, study tips, and advice about friends and practicing self-care.

Back to School 2020

This fall, you might be returning to school in person, continuing remote learning, or doing a combination of both. Whatever your back-to-school scenario, these tips can set you up for success!

Back to School 2021

For most kids, school has been anything but normal for the past year and a half—which means back-to-school will probably feel different, too. Happily, Moby and friends have tips to set you up for a successful school year.


Microscopic bacterium exist everywhere--even on our bodies! Learn how these microorganisms can be good or harmful.


There's no spin on this tale of why you may sometimes feel dizzy or nauseous—and what your ears have to do with it all!


Do you have interest in more money? Tim and Moby take you through banking basics, like deposits and withdrawals, and the difference between cash and capital.

Bar Graphs

Teach students how to plot data on bar graphs, and to use them to spot patterns and analyze information.

Barack Obama

Get to know Barack Obama, the nation's first African-American President!


Tim and Moby take you out to the old ball game: Learn about the game where everyone’s running around that big diamond, trying to get home!

Basic Probability

You may think that chance is just a roll of the dice, but what are the odds you'll like the outcome? Learn how to calculate and express basic probability.


There’s so much more to basketball than putting a ball through a hoop! Tim and Moby talk three-pointers and rebounds.

Bass Reeves

Explore the almost-lost legend of one of America's greatest lawmen.


Cave-dwelling, fruit-eating mammals with a bad vampire rep! Is it true? Learn about the echolations of our bat-pals.


Cars, phones, remote controls—batteries help keep them on the go. But, do you know how they make electricity flow?


It can be learned, instinctive, reflexive or conditioned, but when is it good or bad? Tim and Moby talk behavior.

Benjamin Franklin

The famed inventor who was also a Founding Father, a scientist, and a diplomat. It takes a lot to get on the $100 bill--ask Tim and Moby!

Bicycle Safety

Tim and Moby talk about the importance of reflectors, how to properly wear your helmet, and what those weird hand signals mean.

Big Bang

Learn about the theory that explains the earliest moments in the history of our universe, and how scientists came up with it.

Bill Clinton

See how a saxaphone-playing poor boy from Arkansas defied the odds to become the 42nd President of the United States!

Bill of Rights

Ten amendments to the constitution you’ll hear a lot of shouting about! Learn about each of the 10 amendments of the Bill of Rights, and discover who interprets them nowadays.


Learn how computers count, and how to read or create numbers using the binary system. Zero in on this one!


Learn about cleaner-burning, entirely renewable fuels!


Discover what makes a biography, and learn the source of memoirs--the writer’s life!


If you’re not already a bird nerd, you will be after this movie! Join Tim and Moby to see some birds in action—no binoculars necessary.

Black Death

You’re right, it’s not something you want for your birthday. This pandemic outbreak caused by a plague of rats changed society in the Middle Ages.

Black History Month

Learn how Black History Month first clambered onto our calendars back during the Harlem Renaissance.

Black Holes

Think your school day is long? Try living in a black hole, dense places in space where gravity prevents even light from escaping!


Buckle up for a trip through the blogosphere! Tim and Moby explore different types of blogs and how they're used.


Plasma, marrow, wounds and clots—Yikes! Tim and Moby in a bloody movie!

Blood Glucose Meter

A simple device to help diabetic people know what’s up (or down) with their insulin and glucose levels.

Blood Pressure

Wondered about those numbers when the doctor takes your blood pressure? Here’s what diastolic and systolic mean, and why no one wants hypertension.

Blood Types

Positive or negative, A, B, or O. What’s yours? And what's a universal donor?


Delta, Memphis, or Chicago, they’re all part of a uniquely American form of music—the blues!

Body Chemistry

Tim and Moby talk about your body’s main sources of fuel, proteins and carbohydrates, and how lipids can help or hurt us.

Body Scans

Find out how X-rays and imaging help doctors diagnose disease. Plus, what’s a PET scan and does it involve your cat?

Body Weight

Body weight isn’t just a matter of being obese or not! Tim and Moby give you the skinny on nutrition, fitness, and the three body types.


Ah, Boogers! Your nose's front line defense gives you immunity against germs and infection. Pick this one—it’s a winner!

Book Report

Plot, character, theme: Learn the ins and outs of writing a great book report.


Tim and Moby fill you in on orthodontia including overbites, crossbites, underbites and those too easily losable retainers. Brace yourself!


Tim and Moby get brainy, because from the hypothalamus to the limbic system, your cerebral system runs the show--and it’s reading this right now!

Branches of Government

Find out how powers are separated between the Legislative, Judicial, and Executive branches of government. It's pretty cool how the system of checks and balances helps limit the power that any one branch can exercise!

Brass Instruments

Trumpets, tubas, trombones and that guy Miles Davis: They’re beautifully full of hot air!


Tim and Moby have no reason to be arch about it: Nothing spans rivers, lakes, and canyons like a bridge! Learn the three types of bridges, when they’re used, and what trusses do.

British Empire

How did the British Empire become the largest imperial colonizers in history, and what ended this mercantile domination? Grab a cuppa and watch Tim and Moby embark on a 400 year-old tale.

Broken Bones

Fractures, splints, and x-rays are no fun. But it's pretty cool that something as solid as bone can knit itself back together!

Brown v. Board of Education of Topeka

Separate does not mean equal. Press “play” to learn all about segregation and the civil rights warriors who put an end to the racist policy.


Call it a contusion or just a plain old bruise, when capillaries burst you get black-and-blue (or red-and-purple). Tim and Moby explain why.


Earn some, spend less, and don’t buy what you can’t afford. Learn about the basics of budgeting or you might have to learn the basics of debt!

Building Basics

Find out how buildings are designed to withstand the effects of gravity, compression, and tension.


Bullying takes many forms: name-calling, fighting, or leaving someone out. Tim and Moby walk you through the reasons kids bully and how to handle it.


Throw an anchor into the ocean and it sinks. So why does a boat holding an anchor float? Discover the mysteries of buoyancy!


Learn about our delicate skin and blisters, scalding, and fires. And hang on to that potholder!

Business Letter

Tim and Moby send salutations and talk about how to write and structure a business correspondence.


Need a pick-me-up? Watch this movie about caffeine!


Don’t be scared of calculus--it’s only curves and slopes and lines. Tim and Moby throw in a differential or two, just to keep it fun!

California Missions

Learn about Spain’s mission to colonize California, and the impact it had on California’s Native peoples.


Everybody’s heard of pixels, images, and lenses—but not everyone knows how photography really works. Tim and Moby do, and you will too.


Learn about camouflage, the protective coloring that allows animals to survive by blending into the background.


Cancer can be scary, but treatments are getting more effective all the time. Learn more about this disease that affects millions of lives.


Big letters, small letters: Knowing when to use them makes for proper grammar!


Carbs get a bad rap! Just avoid sugary foods and eat high fiber carbohydrates from fruit and whole grains. Tim and Moby tell you why.

Carbon Cycle

The carbon cycle's not a cool new bike: It's how carbon moves around through different forms in the atmosphere. Find out why it's so important!

Carbon Dating

How old is that fossil in the window? Learn how scientists use a radioactive isotope called carbon-14 to find out the answer!

Carnivorous Plants

Dig into the weird science of carnivorous plants and learn where meat-eating marvels like the Venus Flytrap live. Bugs--they're what's for dinner!


If you’re ever going to drive one, you should know how it works! Tim and Moby will teach you about a car’s essential parts, including the transmission, the suspension, the brake system, and the catalytic converter.


Hello, kitty! Cats and the Internet go together like whisker and purr. Watch this movie to learn all about our feline friends.

Causes of the American Revolution

What is an intolerable act of tyranny? Learn about taxation without representation and boycotts in the Colonial days, and what “quartering” means. Tim and Moby say they want a revolution!


How can that flat plastic circle hold all that information? Learn about CDs, both music and data in this here animated movie! There's some stuff about DVDs, too, if you're interested!

Cell Phone

Tim and Moby give you the buzz on cell phones. What have cells got to do with them? Also learn what cell phones have in common with radios, and what a duplex system is!

Cell Specialization

Cell Specialization sounds pretty complicated. But once you learn the difference between eukaryotic and prokaryotic, you’ll practically be a specialist yourself!

Cell Structures

Every cell is like a little factory, churning out life! Tim and Moby talk about the responsibilities of the nucleus, and good ol' lysosomes and ribosomes.


Did you know your body has building blocks? They’re your cells! Learn about organelles and membranes, plus how big cells can get—over one meter long?!

Cellular Respiration

Cells are aerobic, too! They inhale and exhale and generate energy from glucose. Learn how mitochondria play a big role in how our bodies stay energized.


Get counted! Learn how the U.S. Census helps the government assign power to the people.

Cerebral Palsy

Tim and Moby talk about Cerebral Palsy, a muscular disease caused by lesions in the brain.

César Chávez

Don’t cross that picket line! Learn about the life and work of the Mexican-American labor leader César Chávez, and the influence of his non-violent protests, strikes, and boycotts.


How do we connect to the characters in stories? Writers use characterization to bring them to life: describing what they look and act like, their identity and personality, and other traits.

Charles Darwin

Meet the originator of the theory of evolution, a world-famous naturalist who introduced the ideas of mimicry, natural selection, and the survival of the fittest.

Charles Dickens

Don’t say “Bah, Humbug”! Dickens survived childhood poverty to become one of the greatest novelists ever.

Che Guevara

From privileged Argentinian to Cuban revolutionary, Che Guevara was a complicated figure in Latin-American communist rebellion.

Chemical Bonds

Tim and Moby give a chemistry lesson in how atoms come together to form molecules. It's a nucleic miracle!

Chemical Equations

What does a chemical reaction look like on paper? A chemical equation!


A chickenpox on both your houses! Learn about the classic childhood itchy disease, and why you’re a lot less likely to get it than your parents were.


Nothing bittersweet about this movie on chocolate! Follow how cacao beans are harvested, sweetened, and processed--it’s complicated, going from bean to bar--and totally worth it.

Christopher Columbus

Nina, Pinta, and Santa Maria! This great sailor and navigator crossed the ocean blue, and into the New World. But the relationship between the explorer and the natives is troubling.


We all know what a circle is, but what’s a radius, diameter or circumference? Tim and Moby will also introduce you to circle’s friend Pi. I wish I had a friend named Pie...

Circulatory System

Your heart’s an engine that’s driving blood out to all of your veins and arteries right now. But what gets blood back to the heart?

Citing Sources

Articles and movies and books, oh my! Learn how to format MLA citations for every type of source in your bibliography.


Explore freedoms U.S. citizens enjoy because of documents like the Bill of Rights and the U.S. Constitution, and discover the responsibilities that come with those rights.

Civil Rights

Thank you, sister Rosa! Ms. Parks, that is! This movie is all about the civil rights movement, from segregation trials to freedom marches. Plus a few words from Dr. Martin Luther King!

Civil War

Give an overview of the Civil War by introducing its key figures, battles, and events.

Civil War Causes

What caused the Civil War? Learn about how the deep divide over slavery split the country in two, to fight a war against itself.


How do scientists order the millions of organisms and species on Earth? Class, family, species...We're not sure about Moby.

Classifying Polygons

Introduce the classification system for polygons, by identifying properties of triangles and quadrilaterals, and sorting them into categories.


Independent or dependent, nouns or adjectives, Tim and Moby know how clauses make sentences work.

Clefs and Time Signatures

Take a beat, Daddy-O, and note down some of the basics of musical measures!


Meet the powerful last Queen of Egypt, whose downfall led directly to the establishment of the Roman Empire.

Climate Change

Human activity is kicking global warming into overdrive! Find out how you can help slow down climate change and get our planet off the hot seat.

Climate Types

Tim and Moby tell you all about the earth’s different climate systems, from weather in the frozen poles to the steaming-hot tropics!


Dolly might be the most famous clone—but she wasn't the first! Learn the past history and future challenges of creating genetic duplicates.

Cloud Computing

Learn how cloud networks keep your data handy, wherever you are!


We all know when it’s overcast, but are those nimbus clouds or cumulus? Tim and Moby explain different cloud types and how clouds form.


Don't get stung! Dive into the ocean and learn about these wiggly invertebrates of the sea, including jellyfish, corals, and hydras.

Cold War

The arms race and the space race take center stage as two nuclear superpowers vie for supremacy. Brrr!


Tim and Moby on how these two little dots are so useful: You'll see them as salutations, as independent clauses, and as indicators of a related sentence to come. You'll even see them on your digital clock!


Are we on the same wavelength about color? Tim and Moby explain why the grass is green and the sky is blue.

Columbian Exchange

The Old World and the New World swap species in the Columbian Exchange!


Tim and Moby tell you the cool story of comets, icy meteors that orbit the sky, and introduce you to Halley’s and Hyakutake.


The Punctuation Pros are here to school you on all the rules of correct comma usage, so you can communicate clearly and effectively!


A theory based on the idea of the equal distribution of wealth. Sounds ideal, right? Learn why it can work, but also how many communist countries devolve into dictatorships.

Commutative Property

The Commutative Property works for addition and multiplication. Find out all about it in this BrainPOP movie.

Comparing Decimals

Learn how to compare decimal numbers using place value, area models, and bar models.

Comparing Prices

Introduce a basic concept of financial literacy with this topic about making smart purchasing decisions.


Tim and Moby will teach you all you wanted to know about compasses and how they work--plus how to make one! You’ll discover what Earth’s magnetic field has to do with compasses, and how it interacts with a compass needle. So, uhm...where are we?

Compound Events

Tim and Moby play a board game to show the difference between mutually exclusive and inclusive events, and how they affect the likelihood of getting the desired outcome.

Compounds and Mixtures

Learn the difference between a compound and a mixture. Which is more difficult to undo, and where does sea water and salad dressing come into it?

Computational Thinking

Computational thinking—it's not just for computers! Learn how you can use it to tackle all kinds of complex problems.

Computer History

Have you ever seen a punch card? Get the background on computers, how they were used in the 1890 census, and in the 20th century went from weighing 10,000 pounds to being the size of your fingernails.

Computer Mouse

Aww, so cute--and computer mice don’t eat your cereal! Tim and Moby talk about the two most popular mouse types, the mechanical mouse and the optical mouse.

Computer Programming

Computer programming is the art of telling technology what to do!


It’s all right beneath your fingertips right now--computers! Learn how they communicate, what a central processing unit (CPU) is, and how a hard drive operates. Also find out all about other computer parts like modems, circuit boards, and sound and video cards.

Concept Mapping

Learn how to use concept maps to navigate your knowledge!


Concussions are caused by head-rattling hits that twist up the brain's delicate neurons. Learn how rest and relaxation can help you recover.


Salivating for a movie about conditioning? Tim and Moby will tell you about the process of behavioral conditioning, reflex and stimuli, and Pavlov’s experiments. Now, fetch!

Conducting an Interview

Questions and answers are just the start—learn what else it takes to conduct a great interview!

Conflict Resolution

Learn how to resolve your differences with negotiation and compromise, and why it's a bad thing to always get your way.


Either conjunctions are important for coordinating phrases, or they’re not! (Hint: They are.)


How--and why-- were a small number of Spanish adventurers able to wipe the majestic Inca, Maya, and Aztec civilizations off the map?

Conservation of Mass

Scotty won’t be beaming you up anytime soon. Why? Because the conservation of mass makes it impossible! Tim and Moby explain thermodynamics.

Conserving Energy

Tim and Moby show you how insulation, recycling, and using renewable energy sources can preserve the planet and be easier than you think!


Whether the Big Dipper, or Orion’s Belt, or Scorpio, these star patterns have always made humans wonder about the nature of the universe. Tim and Moby lie low and look up.

Constitutional Convention

Join Tim and Moby at the Constitutional Convention to relive the debates that shaped a nation!

Context Clues

Learn to figure out unfamiliar words!

Continents of the World

How many continents are there, anyway? And which one has no permanent population? Which contains only one country? Tim and Moby get all continental on you.


What’s a contraction and how’s one made? Tim and Moby help you use an apostrophe to combine words.

Converting Fractions to Decimals

"One-half" is the same as "point five," but how do you get from one to the other? Learn how to convert fractions into decimals, and back again! Hey Presto!

Coordinate Plane

Learn about an imaginary boundless surface with length and width, but no depth. Coordinate planes help you chart data and keep on track!


Meet Nicolaus Copernicus, the man who dared to theorize that the universe didn't revolve around him—or anyone else on Earth, either!


Don’t get too creative with public works, or you’ll get sued for plagiarism! Find out what a copyright is and how it might apply to your everyday life.


Multi-colored underwater beauty in barrier reefs--but don’t cut yourself! Tim and Moby talk about coral, a radial resident of the world’s seas and oceans.

Country Music

Do-si-do through the history of country music, from Patsy Kline to Garth Brooks.

Court System

Introduce students to the U.S. court system; the difference between civil and criminal cases; and the structures of state, federal, military, and tribal courts.


Moby and the gang beam in from the future to deliver important reflections on the COVID-19 pandemic.

COVID-19 Special Report

Nearly a year into the pandemic, COVID-19 is still raging. A safe and effective vaccine should become widely available in the coming months, but in the meantime, it's important for us all to work together to stop the spread of the virus.


The ABCs of CPR are Air, Breathing and Circulation—but how does that work, exactly?

Credit Cards

The bank doesn’t loan you that money for free, you know! You’ll find interest in Tim and Moby’s talk about APR’s, purchasing power, and debt.

Critical Reasoning

People make claims all the time—learn how to figure out which ones hold up!


Crystals aren’t only rubies, emeralds, and diamonds! Tim and Moby introduce you to the mineral world, including some you probably keep in your kitchen cabinet.


Get a little perspective on the art movement Cubism from Tim, Moby, and Picasso!

Current Electricity

Tim and Moby trace electricity's path from the coils and turbines of the power plant into your home!

Customary Units

Ounces, pounds, gallons, and miles. Oh boy, you'll learn tons about them all in this BrainPOP practical math movie!


Don't be a cyberbully! Learn about good digital citizenship, and how to deal with computer harassment.

Cystic Fibrosis

Take a deep breath and learn about the causes, symptoms, and treatments of cystic fibrosis.


From generating electricity to growing crops, dams have proven to be one of the most useful innovations in human history. Find out how these simple structures accomplish so much.


Astaire and Rogers have nothing on Tim and Moby: Learn how movement can become art.

Dark Matter

What’s all that dark, spooky stuff in outer space? All scientists know is that it’s massive, gravitational, and dense! Tim and Moby shed some light on dark matter.

Data Storage Devices

CD, DVD, or flash drive? Tim and Moby decode the difference between bits and bytes, and tell you a little about binary numbers and measurement. So stick out your thumb drive and get a flash of this movie!

Day of the Dead

The dead deserve a day to party, too! Learn about Día de los Muertos, a Mexican holiday celebrated around the world.

Daylight Saving Time

Look at your clock and remember: Spring forward, fall back, and never be late for school! Learn which founding father first proposed DST, and why our summer nights are so light.


No point in being scared because (as any mummy will tell you), it’s part of life! And who knows what the afterlife holds?


For effective arguments, the power of rhetoric is not open to debate!


Learn how individuals, businesses, and even governments borrow money in order to invest in the future.


The decimal system represents a hundredth or even more than a thousandth of a whole--because sometimes things are just way teenier than one!

Declaration of Independence

“We hold these truths to be self-evident. . .” Jefferson was the main author of this revolutionary document, but who else helped? And how dangerous was it to sign?


Elections, Voting, and Congress: They’re all about representing us! Learn about democracy’s history, and the difference between direct democracy and representative democracy.


Depression is more than just feeling blue. Learn all about this common mood disorder and how it can be treated.


Tim and Moby teach you about a complex biome, the land of hot sands and even hotter sun, of snow dunes and permafrost! How does anyone, apart from a cactus, adapt to desert life?


Too much blood sugar isn’t good! Learn about diet, weight, insulin, and diabetes.

Diagramming Sentences

Learn how to diagram all the parts of a sentence, from adjective to verb! But what on earth is a predicate?


How to recognize and write dialogue in novels, screenplays, and scripts.

Dictionary and Thesaurus

Tim and Moby teach you to look up and learn more about words and their meanings!


Do you smell a funny odor? Don’t let it disturb your equilibrium, instead thank diffusion!

Digestive System

Tummy rumbling? Find out how digestion happens, and what nutrients, saliva, and enzymes do for you!

Digital Animation

From computer-generated storyboards right through stills, images, and story. Tim and Moby have the inside scoop on animated films.

Digital Etiquette

Online etiquette is about more than asking that troll to please pass the mousepad! Learn the do’s and don’ts of netiquette, and how to create respectful emails, IMs, and blogs.


Tim and Moby take you on a dino-mite adventure through the world of the extinct

Disability Rights

Introduce the Disability Rights movement through the fight for Section 504, the law that paved the way for the Americans with Disabilities Act.

Distance Learning

Doing your school work outside of school can be a challenge! Follow these tips to set yourself up for success.

Distance, Rate, and Time

How long will it take you to get there, at 58 mph, with ten gallons in your tank, the wind in your hair, and a hundred kilometers to go? Tim and Moby figure it out.

Distributive Property

The distributive property involves addition and multiplication. So where do all the parentheses come in? Tim and Moby know.

Dividing Decimals

Tim and Moby share tips and tricks for dividing decimals, explaining how to remove those pesky points and make them reappear in just the right spot!


Introduce the concept of division by dividing two-digit dividends by one digit divisors without remainders.


They’re not just rows of lamps. . . they light the way to the biggest celebration on the Hindu calendar! Learn about the holiday of Diwali.


Unlock the secret code to DNA, the basis for all life on Earth!


Purebred or adorable mutt, terrier or hound, Tim and Moby tell you everything you need to know about our pals the canines.

Dolly the Sheep

It's not science fiction anymore: Scientists in Scotland cloned a sheep. Learn about Dolly, the world's first clone made from adult DNA.


Friendly flippered mammals of the sea, whose echolocations help them get around safely and avoid becoming prey!


“Exit, pursued by a bear!” Learn about drama through the ages—comedy to tragedy, and ancient Greece through Shakespeare.


From doodling around to shading, stipling, and etching—there's nothing sketchy about this movie on drawing!


Like movies of your subconscious, mixed in with a little wish-fulfillment and some weird neural noise!


Learn how local weather and climate conditions can lead to long-term water shortages.

Duchenne Muscular Dystrophy

Tim and Moby discuss the symptoms, effects, and treatments of this progressive muscular condition.


Millions have lived with the reading disorder dyslexia, including some of the greatest artists and thinkers in the world!


From the oceans to the valleys, to the landforms, that we love! Tim and Moby talk about our blue, blue planet and its delicate atmosphere.

Earth Day

Look back at the history of Earth day, and share simple actions that anyone can take for the planet.

Earth's Atmosphere

It's the air you breathe, and so much more! In this movie, learn about the many layers of Earth's atmosphere!

Earth's Structure

We all know what happens on the surface of the earth, but what happens beneath the surface? Learn about your planet's internal structure!


Tim and Moby introduce you to the mechanics of earthquakes, natural disasters measured by seismograms and caused by tectonic shifts.


Teach students about the most significant holiday in the Christian faith.

Eating Disorders

The causes and treatment of this devastating psychological condition which leads to starvation, binging, and purging.


A deadly virus that's difficult to spread


In ancient times, an eclipse was often a harbinger of impending doom! Now we know better. Check this out to learn about eclipses, both solar and lunar!


Ecosystems are all about community—but not always in a friendly way! Learn how organisms’ relationships with each other and their environment perpetuate life on Earth.

Edgar Allan Poe

Calm your tell-tale heart: This movie about macabre author Edgar Allan Poe isn’t nearly as frightening as his tales!

Egyptian Pharaohs

Why did Cleopatra and King Tut hold those crooked canes? Discover what it meant to be a pharaoh, and why pyramids meant so much to these supreme monarchs.

Elapsed Time

Analog or digital, time flies! Learn the importance of managing time in everyday planning and in working time-related equations.

Eleanor Roosevelt

This First Lady was just as influential as her husband (Franklin) and her uncle (Theodore)! Learn how Eleanor Roosevelt went from Depression-era icon to the United Nations.

Election Night 2020

Election Day 2020 is today! Learn how the pandemic is changing the process, and what to expect on Election Night!

Electric Circuits

Tim and Moby give you a working knowledge of electrical circuits, including the power source, terminals, and volts. It’s all pretty shocking!


Unpack the strange yet familiar phenomenon of electricity through a story of scientific discovery.

Electromagnetic Induction

Learn about a scientific discovery which changed our lives: How magnetic fields can create an electric current in a wire. It’s how you have electricity right now!

Electromagnetic Spectrum

Somewhere, over the...electromagnetic spectrum? Learn about radars, light wavelengths, and radiation. You won't get this story over the radio!


Electricity and magnetism...two sides of the same coin.


Meet the elephant, an endangered animal found throughout Africa and Asia that’s big on brainpower, big on appetite, and just plain BIG!

Elie Wiesel

Elie Wiesel endured one of history's darkest periods. Learn how he devoted his life to ensuring the world would never forget.

Elvis Presley

Learn all about Elvis Presley, the singer from Memphis, Tennessee who became the King of Rock n' Roll.

Email and IM

You can get into the tech stuff and let Tim and Moby tell you the definitions of SMTP and POP and what computers’ addresses look like, or just have fun emailing and chatting with your friends--but everyone should learn these important internet safety tips.

Emily Dickinson

Discover one of the most unique and influential voices in American verse

Endocrine System

Hello, Hormones! Learn about the body system that governs growth, energy, and all sorts of cellular activity.

Energy Pyramid

Tim explains that predator eating prey is the food chain’s way of distributing the sun's energy throughout entire ecosystems! What's a poor herbivore to do?

Energy Sources

Energy is all around us. Learn about the different ways we harness energy from nature.

Equations with Variables

Tim and Moby talk about variables, which are the x, y, and z of simplifying and solving algebraic equations.


Learn about how water, wind, and time creates erosion and re-shapes the land. Tim and Moby have a hint for you: Drip, drip, drip...


Sometimes accuracy’s over-rated! Whether you estimate or guesstimate, all you need is a little practical math.


Learn about what ethics and ethical dilemmas are, and how to make good decisions in tough situations.


Tim and Moby talk you through the study of words—their origins, meanings, and how wars change language!

Eugenie Clark

Explore the sea with Eugenie Clark, a trailblazing marine biologist and science communicator with a passion for sharks.


Visit one of the most unique environments on Earth, with ecosystems featuring wetlands and crocodiles, manatees and mangroves! But how is water pollution affecting the area?


Is there life out there? Maybe! That's why astronomers look for planets around other stars, and find the extraterrestrial world so fascinating. So do Tim and Moby!


Need a simple way to express really big (or really small) numbers? Exponents give you the power!


You don’t have to be a dodo to be confused by extinction! Tim and Moby give you the lowdown on extinct and endangered species, and the difference between the two.


Just look at how pupils, lenses, and irises enable us to see the beauty in the world--including that piece of chocolate cake!


Eyes, noses, mouths, skin--we’ve all got ‘em! But have you ever thought about how much our faces say about who we are?

Fact and Opinion

Figure out the difference between what’s true, what’s not true, and when bias presents opinion as truth. Tim asks: Can you prove it? Well, can you?


What do factors and multiplication have to do with breaking prime numbers into smaller pieces? Find out in this animated movie!

Fall of the Roman Empire

The Roman Empire went from the greatest heights of art and culture that the world had ever seen, to utter collapse. Learn the byzantine story of the fall of the Roman Empire.

Fannie Lou Hamer

Meet Fannie Lou Hamer, the civil rights activist who spoke up—and sang out—for Black voting rights in the South.


Do you know which fats are healthy, and which aren’t? Put down those chips, grab some (unbuttered) popcorn and watch this movie!

Fax Machine

What's that thing at your doctor's office that looks like a telephone with a printer?


Is it radical to think we all deserve equal rights? Learn about gender discrimination through the years, the meaning of suffrage, and some famous feminist activists.


If you like knights in shining armor, kings, peasants and--er--plagues, pay fealty to this movie! Tim and Moby discuss life during medieval times.

Fibonacci Sequence

In movies, nature, code, and a math equation near you! Tim and Moby walk you through the series of numbers that make up the mysterious Fibonacci Sequence.


Whether a movie’s a documentary, a short, or by Spielberg, they all need three things: Lights! Camera! Action!


You're unique—right down to tips of your fingers! Learn about the one-of-a-kind patterns on your hands that help identify you.


Fire, fire, burning bright, see what sets a fuel alight! Tim and Moby ignite the mystery of combustion, the chemical reaction that makes flame possible.


O, Say can you See...What's cooler than a good firework? A sky full of great fireworks! Check out this movie for an explanation of how fireworks work, what chemicals create certain colors, and what gives a sparkler that fizz!

First Aid

We’re not applying pressure, but why not learn what a first aid kit contains and how to deal with cuts, scrapes, and more serious injuries?


Cold-blooded, scaly, and tasty vertebrates! Tim and Moby fill you to the gills with information about our finned friends, the fish!


Breaking a sweat can make you look good, control your weight, and improve your health.

Five-Paragraph Essay

Whether your essay is expository, descriptive, or persuasive, a five-paragraph format can help you organize your ideas and make a strong, well-supported argument. Write on!

Flattening the Curve

Coming to you from well over six feet away, it’s the debut of BrainPOP News! Our first story: flattening the curve.


Do wings and rudders, lift and drag make you nervous? It shouldn't. Tim and Moby take off on an explanation of the mechanics of flight!


Surging forces of nature brought to us by storms, tides, and mankind! Tim and Moby explain one of the most common natural disasters, floods.


Coughing, sneezing, body aches, fever… Ugh, it’s the flu, and it’s caused by the influenza virus.

Food Chains

Predator or prey, consumer or producer? How about all of the above? Tim and Moby talk about how the food chain connects every species.

Food Safety

Refrigeration, pasteurization and expiration dates: Don't be chicken, learn how to keep your food safe!

Food Webs

Everybody eats! Sort of! All living things need food to survive, whether they make it on their own or chow down on other organisms.


Fumbling by the goalpost? Kick-off by learning the basics of American football!


Forces constantly push and pull on everything in our world, including you! Find out how different forces make objects start, stop, stay, and go!

Forms of Energy

Get all charged up about energy with Cassie and Moby! They’ll introduce you to some of energy’s many forms, and how we use them.

Fossil Fuels

What makes cars go? Fossil fuels! What lights up gas grills and stoves? Fossil fuels! What's non-renewable and really bad for the environment? You know...


BrainPOP’s dynamic duo will teach you about carbon dating and body fossils--which you might find in a tar pit--and trace fossils, which could be as simple as a set of footprints.


The numerators and denominators of fractions represent pieces of a whole! Tim and Moby show you how visualizing everyday objects makes this math lesson easy.


Meet the gothic monster of all monsters—and the woman who gave Frankenstein life!

Franklin D. Roosevelt

Our longest-serving president won four consecutive presidential terms, created the New Deal, and guided the nation through the Great Depression and World War II!

Frederick Douglass

Meet Frederick Douglass, who went from being enslaved to one of the leading American abolitionists of the 19th Century, and a crucial figure in Black History!

French and Indian War

Britain and France once fought over who’d dominate North America: Trade with Native Americans sparked this conflict, and a fellow called George Washington got involved!

French Revolution

Off with their heads! Discover how the French monarchy alienated its people and triggered a violent battle between rival factions.

Frida Kahlo

Like to draw self-portraits? Learn about the influential Mexican painter Frida Kahlo.


Help students understand ways to strengthen their friendships and navigate friend drama and conflict.

Fuel Cells

Are you ready for the future of energy? While they're still being perfected, fuel cells are one of the most promising energy technologies to come around in a long while--talk about cool tech!


How can you save time when writing a computer program? Nat and Moby crack the code on functions!


Mold, yeast, and mushrooms, oh my! Learn about the diverse world of fungi, from truffles to penicillin.


What do stars call home? BrainPOP’s starry pair talk about galaxies, constellations made of stars, gas, and dust and which make us ponder the nature of the universe.

Galileo Galilei

The amazing career of Galileo Galilei, the Italian mathematician, scientist and philosopher who got in big trouble for being non-heliocentric. Tim and Moby tell you how!

Game Theory

Tim and Moby negotiate their way through a movie on Game Theory, a field of economics that formulates mathematical strategies for complex situations.

Gas and Oil

Tim and Moby talk about our troublesome relationship with the car, and how refined fuels and carbon dioxide are contributing to the greenhouse effect.


This movie on gears really has some TEETH! And that makes sense, because gears wouldn’t work if they didn’t have those little ridges that keep them in place, helping the big gears line up with little ones, and increase a machine’s power or speed.

Genetic Mutations

Some are good, some are bad--but genetic mutations are powerful changes deep within a body’s chromosomal blueprint.


All life on Earth has one language in common: the genetic code!

Geography Themes

Tim and Moby get that globe spinning and talk about what the geography of a country can tell you about its people, their culture, and their history!

Geologic Time

How do you measure billions of years? Tim and Moby look into eons, epochs, and periods. When geologists talk about a long time, they mean a lo-ong time.


Tim and Moby go to any lengths to get you in line with your compass and protractor!

George Washington

The founder of our country, the first commander-in-chief, and a darn good general--George Washington wasn’t perfect, but he’s a truly revolutionary figure.

George Washington Carver

Learn how George Washington Carver became a renowned scientist during the Jim Crow era

Georgia O'Keeffe

A look at the life and career of the modern artist who brought you flowers, skulls, and beautiful Southwestern skies!

Getting Help

Sometimes all you need to do is ask. Tim and Moby tutor you in how to know--and where to go--when you need help.

Giant Squid

Giant squid off the port bow--prepare the tartar sauce! Tim and Moby talk about the wriggly underwater world of squid, octopi, and mollusks.


How do cold-blooded creatures breathe underwater? Gills! But it’s not actually water that fish are breathing. Tim and Moby teach you more.


See how drastically glaciers form and erode the land, and learn about the two kinds of glaciers, in this BrainPOP movie. Brrr--it's feeling chilly in here!

Global Positioning System

GPS receivers are great at helping you get un-lost, but just how the heck do they work? Tim and Moby explain satellites allow you to pinpoint your exact latitude, longitude, and altitude. So why do I keep getting lost in the first place?

Gold Rush

There’s nuggets of gold in them thar hills! Or rather, there were. Tim and Moby go panning through the history of the California Gold Rush, and the 49’ers who lived it.

Grace Hopper

Get to know Grace Hopper, the math professor turned computer programmer turned Navy admiral who charted the course for modern coding.

Graphic Design

Where do those images on billboards, posters, and tv come from? Let Tim and Moby teach you about graphic design.

Graphing and Solving Inequalities

Tim and Moby risk life and limb to show you how to graph and solve inequalities.

Graphing Linear Equations

Here's a plot for you: Tim and Moby teach you how to understand graphs, find trends, and even predict the future by graphing linear equations!


Learn how graphs help people visualize data and make sense of it.


It controls the tides, helps planets orbit, and keeps us all on Earth! Tim and Moby give gravity some love.

Great Depression

The 1929 stock market crash began the greatest economic slump of the 20th century, leading to strikes and rife unemployment. Then add a big old dust bowl to the mix. . .

Great Depression Causes

Discover why the prosperity of the Roaring Twenties couldn’t last, and how people’s spending and saving habits made a financial crisis inevitable. Tim and Moby wonder: Lesson learned?

Great Wall of China

Who built the Great Wall of China, and why? Tim and Moby stand on the watchtower and search for Huns and Mongols.

Greek Gods

How did they keep track of all those gods? It comes down to a realllly complicated family tree. Zeus, Hades, and Poseidon each rule different parts of the universe—and all the gods found creative ways of causing trouble on Earth. Each god and goddess had their own speciality, from the goddess of the hunt to the god of music, the god of war to the goddess of love, and more! Press "play" to learn more about the 12 Olympians and their role in Ancient Greece!

Greenhouse Effect

Learn what the greenhouse effect is, and how gases in Earth’s atmosphere contribute to deforestation and melting icecaps. Someone, open a window!

Groundhog Day

Burrow into the holiday of Groundhog Day, from its origins among ancient European tribes to its traditions today.


What do wells, springs, and wetlands have in common? Tim and Moby discover Groundwater in this geyser of a BrainPOP movie.


Hormones plus maturation equals growth! Learn all about how you grew from a tiny baby to the hugely fabulous person you are today.


Arm yourself with knowledge about the uses and dangers of firearms. Learn why guns can trigger some fierce debates, and what the Second Amendment has to do with it all.


Learn all about the history of hackers: the good, the bad, and the gray area in between.


You’ve heard of blonde, brunette, and redhead. But what's vellum? And follicles? Get the 411 on those lustrous locks of yours!

Haitian Revolution

In 1791, thousands of enslaved people rose up to liberate themselves. Learn how their army defeated the mighty French Empire and established the first independent Black nation in the western hemisphere: Haiti.


Ghosts, witches and goblins all know Halloween’s #1 rule: Don’t eat your candy all at once. Tim and Moby talk about the spooky holiday’s surprising history!

Harlem Renaissance

From Armstrong to Ellington, and Hughes to Hurston, a time of flowering in African-American culture and arts!

Harvey Milk

Meet one of the founders of the gay pride movement!

Haudenosaunee (Iroquois) Confederacy

Learn about the Six Nations of the Haudenosaunee Confederacy, Native Americans who put aside their differences to form a powerful alliance.


From tension headaches to migraines, discover where headache pain actually originates. (It may not be from where you thought!)


What? Did you know sound travels, and that the eardrum is a lot like a regular drum? Listen up and learn all about our sense of sound.


Be still, my fluttering heart! Or rather--don’t. A movie on how this major muscle is always beating, helping blood to circulate through your whole body.


You know about Farenheit and Celsius--but who’s Kelvin? Tim and Moby give you a high degree of info on how things get hot.

Helen Keller

Learn about the the admirable activist who overcame deafness and blindness to teach the world that people with disabilities can do anything!

Henry Hudson

The most famous explorer who never found what he was looking for


Investigate the rules of heredity by learning about Gregor Mendel’s revolutionary experiments on pea plants.


Hibernation isn’t just sleep--it’s how animals go dormant and survive the winter. But do bears really hibernate? You’ll be surprised!


BOO! Everybody’s got a cure, but what’s the cause? Spasms in your diaphragm! Tim and Moby explain.

High Holidays

Introduce the two holiest days in the Jewish calendar: Rosh Hashanah, the Jewish New Year; and Yom Kippur, the Day of Atonement.

Hip-Hop and Rap

Trace the roots of this rich musical genre from its humble beginnings in the Bronx, New York, to its current global status.

Hiroshima and Nagasaki

The lesser of two evils? You decide. Tim and Moby talk about the atomic bombs that took an enormous toll on the people of Japan, but ended World War II.


How does a society go down the path to genocide? Learn about how the Holocaust happened, and how to recognize the signs so we can prevent it from happening again.


Whenever you sweat, shiver, or get a fever, that’s homeostasis at work! Learn about how we warm-blooded animals stay cool.


Grab your toga and get ready for some epic tales of the ancient cultures of Greece and Troy.


Tim and Moby don protective beekeeper hats and introduce you to the buzzing, nectar-filled world of queens, workers, and drones.


Wondering why you don’t look quite the way you used to? Might be those hormones kicking in for puberty, changing everything from height to hair to body shape!


Tim and Moby saddle up and talk about our equid friends! From workhorses to thoroughbreds, horses have helped people get work done since...when, exactly?

How a Bill Becomes a Law

It’s not easy to change the law--ask any bill! Tim and Moby follow the process that turns a proposed law into actual law, and encounter the President’s friend, Veto!

How Soap Works

Breaking news: Germs are not invincible. Watch our latest news coverage on how washing hands with soap helps keep everyone safe.

Hubble's 30th Birthday

Go, Hubble! It's your birthday! Go, Hubble...billions of years back in time! The Hubble Space Telescope is only 30 years old, but the knowledge it has provided is timeless.

Human Body

Step right up! Learn how the amazing human body grows, moves, senses the world, circulates blood, stands strong, and knows when to scream for ice cream.

Human Evolution

From the Flintstones through Darwin, how did humans evolve? Tim and Moby discover our relationship to other primates, and hang with an 800-lb gorilla.

Humans and the Environment

Learn how everyday things we consume affect our environment on a large scale, and how renewable, natural energy resources can help undo the damage.


Water, water, everywhere—even in the air! Learn about humidity's role in weather and the water cycle.


Batten down the hatches! Whether you call ‘em hurricanes, cyclones, or typhoons; they’re pretty scary storms. Tim and Moby tell you what you should know.

Hybrid Cars

A pretty neat invention! Tim tells Moby how a hybrid car combines the engine of a gasoline-powered car with the motor of an electric car in one high-tech package. But what’s regenerative braking?


Tim and Moby in a piston-packing movie about the engineering feats of hydraulics, which uses the power of liquid to move machines!

Hyphens and Dashes

To avoid the all-too-common errors involving hyphens and dashes—and there are many—watch this movie start–finish!

I vs. Me

Getting personal with first-person pronouns is the object of this movie! Or is it the subject?

Ice Age

Learn how alligators could live in the Arctic, and meet some of the cro-magnons and woolly mammoths that roamed the Earth during the last ice age.

Idioms and Clichés

Every village needs an idiom. But using cliches makes for lazy writing!


Memories, dreams, creativity, perceptions—All part of the world inside your head.


Were your ancestors among the tired, the poor, the huddled masses?Tim and Moby discuss the history of immigration in the U.S., and where many of our families first landed.

Immune System

Before your next “Achoo!” Learn about white blood cells, antibodies and how vaccines work. Your body's lookin' out for you!


Impressive that all those little painted brushstrokes started such a big artistic movement.

Inca Civilization

Long before Columbus sailed the ocean blue, the Inca people built a vast empire. So how did how fewer than 200 Spanish conquistadors manage to bring the mighty empire down?

Inclined Plane

What do a doorstop, a ramp, and a screw have in common? Watch this movie to learn how this simple invention makes our lives easier!

Independent and Dependent Events

Flip that coin, roll those dice--but what are the odds you’ll get the outcome you want? Learn how to calculate the probabilities.

Industrial Revolution

Factories, railroads, looms, and steel: The Industrial Revolution made the world smaller and busier! But what negative effects turned out to be long term, and will our planet pay the cost?


Less than? Greater than or equal to? Huh? Learn the basics of inequalities with Tim and Moby!


Drooling, teething, and oof--those diapers! Discover the mini-milestones infants go through every day.

Information Privacy

Hark! Who goes there? Learn all about information privacy, why you need a good password, and how to avoid malware and viruses when on the Internet.


Antennae here, exoskeletons there, insects can be found everywhere! Well, maybe not EVERYWHERE, but bugs can survive in almost any environment.


Got an interest in free money? Tim and Moby explain how the interest you accumulate is a percentage of what's in your bank account.


Oh Boy! The exciting part of Grammar! Interjections!

International Space Station

You'll shuttle out of here and rocket forward as Tim and Moby take you on an animated tour of the International Space Station!


Ever wonder how information travels over the Internet? Tim and Moby serve up info on the largest computer network on Earth, and what browsers, URLs, and domains are!

Internet Search

Search smarter! Tim and Moby share tips for how to research anything online.

Interview with Dr. Fauci

Say hello to one of the most trusted people in America: Dr. Anthony Fauci! The National Institute of Allergy and Infectious Diseases director chats with Nat about COVID-19, and what kids can do to help stop the pandemic.

Interview with Dr. Zhang

Celebrate Asian-American and Pacific Islander (AAPI) Heritage Month with Nat and Dr. Feng Zhang, a groundbreaking Chinese-American scientist!

Intro to Area

Introduce strategies for calculating area, including tiling unit squares, multiplying length times width, and decomposing complex shapes.

Intro to Scientific Method

Learn about the steps of the scientific method, and how scientists use it to explain why things happen the way they do.


Do you have what it takes to survive in an igloo, and to drive a dogsled? the Inuits do! How do these Native Americans harpoon a living in such a harsh climate?

Invasive Species

Most organisms can't survive outside their natural habitats. But invasive species thrive—and damage their new environment in the process!


What do you call an animal without a spine? An invertebrate, that's what! Have a little backbone and learn all about these fascinating creatures from Tim and Moby.


What gives ions their charge? And can you put anions in a salad? Find out in this shocking expose.

Isaac Newton

Discover the life and legacy of Sir Isaac Newton, whose work revolutionized the fields of physics, mathematics, and astronomy.


Interested in chemistry? Learn why atomic number and an atom’s mass are so important to understanding isotopes, which are variants of chemical elements!

J. R. R. Tolkien

Take a trip to Middle-earth with Tim and Moby, and learn about fantasy author J.R.R. Tolkien!

Jack London

Tim and Moby follow the tracks of Jack London; sailor, adventurer, politician and famous author.

Jackie Robinson

Discover #42, the great athlete and pioneer who took on the difficult job of ending segregation in baseball. Why was Jackie Robinson’s number retired by every baseball team?

Jacques Cousteau

Plunge into the undersea world of Jacques Cousteau, a pioneering filmmaker and conservationist who revealed the many wonders of the deep!

James Madison

Political philosopher and writer (including the U.S. Constitution), ally of Jefferson and fourth President of the U.S., Madison might’ve been only 5”4 but he was a giant of a fellow!

Jane Goodall

Meet Jane Goodall, the famous primatologist and anthropologist who studies chimps in the wild, and is an advocate of ecological preservation.


Bang those tubs, Hepcats! Learn the history and basics of jazz, from syncopation and sax solos to swing and bebop!

Jim Crow

Can separate ever be equal? Tim and Moby examine the rise and fall of legalized segregation under Jim Crow laws.

John Adams

This founding father from Quincy, Massachusetts, was the second President of the U.S., and his writings on the principles of freedom and republicanism were unmatched.

John F. Kennedy

Kennedy was president during the height of the cold war, and presided over the Cuban missile crisis while setting his sights on space travel and leading us towards a New Frontier.


The Hip Bone’s connected to the Leg Bone. . .but how? Find out how your bones move thanks to joints, and the difference between movable and immovable joints.

Judy Blume

Meet the writer behind "Superfudge" and "Blubber," and learn about her fight against censorship.


Everything's bigger on Jupiter—from the size of the storms to the pull of gravity itself! Learn more about the largest planet in the solar system.

Juvenile Idiopathic Arthritis

Arthritis doesn’t only affect grandparents; JIA is an autoimmune form of the disease that affects people up to 16 years old.

Kinetic Energy

Kinetic energy helps us do almost everything, from work to play. It’s what makes the world go round!

Korean War

Tim and Moby talk about the complicated relationship between North and South Korea, and how the U.S. got involved there in the first conflict of the cold war.

Kurt Vonnegut

Tim and Moby talk foma, wampeters, and granfalloons in our movie on author Kurt Vonnegut!

Labor Day

These days, Labor Day weekend means sales, parades, and picnics. But more than 100 years ago, it began as a way to honor American workers as they fought for better pay and job conditions.

Land Biomes

Deserts, forests, tundra...Tim and Moby tell us about all the Earth's different biomes and their delicate ecosystems! Anyone for a brief tropical holiday?


Nothing says "beam of coherent light" like a laser! Find out how lasers are used in things like consumer electronics, communications and measuring devices, and very delicate medical procedures. Zap!

Latin Music

Ready for some salsa—hold the chips? How about a little merengue, or a quick tango? Learn about the many styles of Latin Music and the cultures they come from.

Latitude and Longitude

You take the high road, and I’ll take the low road. . . watch this movie and you’ll learn how to pinpoint your location on Earth using a special grid, and what the Prime Meridian is.

League of Nations

TIm and Moby discuss the League of Nations, an organization proposed by President WIlson to deal with international disputes. So why didn’t the U.S. join?

Leap Year

Hop on in and learn the compelling reason why February has 29 calendar days, but only once in every four years: It’s all to do with the seasons and the sun!

Leonardo da Vinci

This movie paints a picture of the original Renaissance man: sculptor, architect, engineer, scientist, painter and mathematician. Leonardo!


Identify the three classes of levers, and explain how they’re each suited to different tasks.

Lewis and Clark

Follow Lewis and Clark as they explore the U.S. interior and meet more than 50 Native nations!

Library Organization

Every library book has a call number, which tells you where it belongs on the shelves. Knowing how libraries are organized can help you find what you’re looking for, and discover new books that might interest you—of course, you can always ask a librarian for help!

Life Cycle of Stars

Our sun wasn't always the way you see it today. And it won't always be this way in the future! Explore the awesome wonders of red giants, white dwarfs, and black holes in this animated movie!


Introduce the idea of light as a wave, and explore its behaviors, such as reflection, absorption, transmission, and refraction.

Line Plots

Demonstrate how to set up line plots and use them to find patterns in data.

Literary Genres

From comedy to mystery to science fiction, stories come in all different types

Logic Gates

Learn how computers process information!

Long Division

Introduce the standard division algorithm by dividing three-digit dividends by one- and two-digit divisors, with and without remainders.


Stay in the loop by learning helpful shortcuts for programming repeated actions in code!

Lord of the Flies

Tim and Moby introduce you to William Golding's great novel about lost children and the island society they create!

Louis Armstrong

Meet the trumpet-playing father of jazz, and find out why his nickname was “Satchmo”!

Ludwig Van Beethoven

He struggled with deafness but rose above it as composer of the greatest symphonies in classical music.

Lyme Disease

From the dangers of deer ticks to info about the “Bull’s Eye” rash--learn about Lyme Disease and how to enjoy summer without it.

Lymphatic System

Learn the mysterious workings of the lymphatic system, a special network of vessels, nodes, and organs that transports nutrients throughout your body. It’s a wild ride!

Madam CJ Walker

Learn about Madam C.J. Walker, a self-made woman who may have been America’s first Black millionairess.

Magna Carta

What does it mean when a monarchy is consitutional? Learn about the document that limited the powers of England’s kings and inspired America’s Founding Fathers!


From the North Pole to the South Pole, magnets are everywhere!

Mahatma Gandhi

He showed the world the power of non-violent protest, and highlighted the connection between colonization and racism.

Main Idea

Wait, what was that all about? Get to the gist of it, and learn how to find the main idea!

Making Inferences

Help student readers engage deeply with texts by combining clues they come across on the page with existing knowledge to form ideas—that’s inferring!


One child can change the world! Meet the inspirational activist and youngest Nobel Laureate.

Malcolm X

X marks the name of one of the most important leaders of the Civil Rights movement. Learn about the life and legacy of Malcolm X.


There are three types: marsupials, placentals, and monotremes. So what kind of mammal is Tim? And what three things do all mammals have in common?

Mansa Musa

Learn about Mansa Musa, the man who put the African empire of Mali on the map!

Map Projections

Want to know how cartographers make 2D maps of our 3D planet? Get your head around it in no time flat!

Map Skills

If you didn't know that you never put a compass rose in water, it’s time to let Tim and Moby give you the latitude and longitude of map reading.

Marco Polo

His adventures in China are the stuff of legend, but his impact is an indisputable fact. Explore the legacy of Marco Polo!

Marie Curie

Tim and Moby explore the life of Marie Curie, the famous scientist who coined the term 'radioactivity,' and the first person ever awarded two Nobel Prizes.

Mark Twain

Tim and Moby introduce you to the great American writer and satirist, Mark Twain.


Take the opportunity to learn about Mars and how it came to be known as the "Red Planet." But guess what planet Mars is most like? Earth!

Martin Luther King, Jr.

“I have a dream ...” Who began one of America’s greatest speeches with those words? Learn about life of the civil rights activist and nonviolent protestor, Dr. Martin Luther King, Jr.

Matter Changing States

Abracadabra! Watch magical Tim take ordinary ice cubes and turn them into water, then steam! But can he reverse the process? Nope!

Maya Angelou

Explore the inspiring life and literature of this Pulitzer Prize-winning writer, poet, and dancer!

Maya Civilization

Join Tim and Moby as they explore this highly advanced pre-Columbian civilization and its hieroglyphs, pyramids, and Yucatan culture. But what caused the Maya’s collapse…?

Maya Lin

In the early ’80s, the contest to design a new Vietnam Veterans Memorial ended with a surprise winner—a college senior named Maya Lin. Her simple, powerful design faced serious opposition, but ultimately became a game-changer.

Mean, Median, Mode, and Range

Tim and Moby in a practical math movie where you can learn how mean, median, mode, and range help you work with sets and data!

Measuring Matter

Learn to measure matter in this movie on mass, volume, and density! But why is measuring matter so very important? Tim and Moby up your science skills.

Measuring Time

Teach how to measure time on a numberline, working both backward and forward, and crossing from a.m. to p.m.

Media Literacy

Turn on the TV, browse a blog, or flip through a magazine, and you'll be bombarded with complex messages, often intended to persuade or manipulate. Arm yourself with the tools to become a smart and savvy media consumer!

Melody and Harmony

See how a simple tune can turn into a masterpiece with melody and harmony!

Memorial Day

Enjoy the cookouts and the long weekend, but don't forget the real reason for Memorial Day: to honor the men and women who died while serving our country.

Menstrual Cycle

Hey, girls. Getting your periods doesn't have to be scary. Cassie and Rita explain this natural part of growing up.


Mercury is the closest planet to the sun, so it takes a lot of solar heat! Take a (very) warm and wonderful voyage with Tim and Moby to find out more.


Get a glimpse of some of the most advanced civilizations in the history of the New World, including the Olmec, the Maya, and the Aztec. Moby’s there too, of course!


Catabolic, Anabolic, and Chloroblasts! No, not the names of Moby’s cousins, but a movie about the metabolism, the chemical reactions that allow all cells to function.


Learn about the luster and conducting magic of the elements and alloys we call metal, what oxidation is, and why ductility and hardness are so important. This movie's pure gold!


Come learn how tadpoles become frogs and caterpillars blossom into butterflies, through the transformation known as metamorphosis! But how can it be incomplete?

Metric Units

Learn how easy it is to convert centimeters to meters or kilograms to milligrams. But what do King Henry and chocolate milk have to do with it?

Metric vs. Customary

Why’d the metric system’s inventors chose 10 as a base? The answer’s at your fingertips!

Mexican Revolution

Meet the leaders and heroes of the Mexican peasants’ rebellion against oppression, from the visionary Madero to the legendary “Pancho” Villa. Viva la revolución!