Free movies
MonstrumAn original PBS web series.
On now
Up next
Latest
- Now Playing11minHow the Himalayas Changed the World
- Now Playing12minHow Black Artists Have Influenced Country Music
- Now Playing10minWhy This Unusual Pattern May Save the Rainforests
- Now Playing17minCan We Test Quantum Gravity?
- Now Playing12minHow The Elephant Got Its Trunk
- Now Playing11minHow Did the Theremin Influence Electronic Music?
- Now Playing12minWhat's the Oldest Beverage
- Now Playing13minThe Ancient Terror of the Chinese Hopping Corpse, Jiangshi
- Now Playing17minWhy Do We Hate Certain Sounds
- Now Playing20minIs Gravity RANDOM Not Quantum?
It's Okay to Be Smart
- Now Playing6minWhat is Luck?
- Now Playing7minZombie Parasites!
- Now Playing6minThe Raisin Bran Effect
- Now Playing2minIs Evolution Random? - 12 Days of Evolution #2
- Now Playing5minAre You Smarter Than A Slime Mold?
- Now Playing4minOrchid Mantis: Looks That Kill
- Now Playing3minWhat is Wind?
- Now Playing6minHow Atom Bombs Can Uncover Forged Art
- Now Playing7minWhere Do Teeth Come From?
- Now Playing8minHow Big is the Solar System?
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing3minEight Incredible Deep Sea Oddities
- Now Playing6minThe Surprising Reason We Eat Spicy Food
- Now Playing7minThe Most Important Moment in the History of Life
- Now Playing6minWhy Nature Loves Hexagons (featuring Infinite Series!)
- Now Playing4minWhat Is Fire?
- Now Playing5minWhen Is It Winter On Other Planets?
- Now Playing6minHow Habits are Formed
- Now Playing6minYour Climate Conscience - feat. Al Gore
- Now Playing4minHow The Elements Got Their Names
Origin of Everything
- Now Playing9minThe Origin of Gender
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing9minThe Origin of Gender
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing12minSix Historically True Facts about Money
- Now Playing11minWhat is Racial Passing?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing8minWhy Do People Have Pets?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing7minWhy Does Santa Wear Red?
Two Cents
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing4minWhat is the DOW?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing7minLove and Money
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minMoving Without Spending a Fortune
Monstrum
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing11minKing Kong pt. 2
- Now Playing11minLa Lechuza: The Shape-Shifting Witch-Owl
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing12minWas PĂșca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing14minThe Evolution of Creepy Dolls
Eons
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing13minFrom the Fall of Dinos to the Rise of Humans
- Now Playing10minWhen Crocs Thrived in the Seas
- Now Playing8minWhat Happened to the World's Biggest Beaver?
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing8minWhere Did Viruses Come From?
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing9minThe Fossil Record In Your Mouth
- Now Playing11minHow We Identified One of Earth's Earliest Animals
- Now Playing13minThe Dinosaur Who Was Buried at Sea
- Now Playing6minHow Sex Became A Thing
- Now Playing9minHow Pterosaurs Got Their Wings
- Now Playing9minDarwin Missed An Example of Evolution Right Under His Nose
- Now Playing10minGiant Viruses Blur The Line Between Alive and Not
- Now Playing7minIs This The Oldest Dad In The Fossil Record?
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing12minWhen We Took Over the World
- Now Playing10minWhen Pterosaurs Walked
- Now Playing9minWe Helped Make Mosquitoes A Problem
- Now Playing13minA Brief History of Geologic Time
Hot Mess
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing9minHow to Talk About Climate Change
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
Space Time
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing9minWhen Time Breaks Down
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing10minThe Oh My God Particle
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing12minThe Missing Mass Mystery
- Now Playing10minThe Oh My God Particle
- Now Playing16minCould We Terraform Mars?
- Now Playing7minHow to Signal Aliens
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing16minWhy String Theory is Wrong
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing13minThe Cosmic Dark Ages
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing16minThe New Science of Moon Formation
- Now Playing14minWhat Caused the Big Bang?
- Now Playing14minWhy Quantum Computing Requires Quantum Cryptography
Beat Making Lab
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
Infinite Series
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing11minDefining Infinity
- Now Playing8minHow to Divide by "Zero"
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing12minWhen Pi is Not 3.14
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing13minWhat is a Random Walk?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing14minKill the Mathematical Hydra
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing11minThe Geometry of SET
- Now Playing16minHow to Break Cryptography
Idea Channel
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing9minIs the Universe a Computer?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing5minNicolas Cage, Taoism, and YOLO