📺 RetroStream

Episode 1: Help Us Make More Videos for Kurzgesagt Episode 2: The Year 12,018 Calendar IS OUT NOW — A New Calendar for Humanity Episode 3: The 12,019 Calendar IS HERE — A New Calendar for Humanity Episode 4: Can You Trust Kurzgesagt Videos? Episode 5: The 12,020 Human SPACE Era Calendar Episode 6: The 12,021 Human Era Calendar Episode 7: Two Chapters From Our New Book – Exclusive Preview! Episode 8: The Limited Edition Dinosaur Calendar – Now And Then Never Again Episode 9: HIDDEN WORLDS - Limited Edition Calendar! Episode 10: Our Very First Merch Drop – Cosmic Pioneers Edition Episode 11: Why Is the Ocean Salty and Rivers Are Not? Episode 12: How Tiny Can a Black Hole Be? Episode 13: The Ultimate Fight: Tardigrade vs. Bird Episode 14: Magnetic Pole Shift - A Doomsday Scenario? Episode 15: How to Cut a Sandwich Perfectly – With Science Episode 16: Earth as a Cube – What Would It Look Like? Episode 17: How do Lasers Work? Episode 18: Let's Make Earth Twice as Large! Episode 19: Are Your Friends More Popular than You? Episode 20: Earth's Hidden Gem: The Astonishing Diversity of Fauna and Flora Episode 21: What Happens if Earth Suddenly Stops Rotating? Episode 22: What If You’re in Space without a Spacesuit? Episode 23: How Many Moons Could Earth Handle? Episode 24: A Glimpse Into Our Future Episode 25: The Moment Kurzgesagt Changed Forever Episode 26: Would You Choose Life On Earth Or in Space? Episode 27: Cooking a Chicken in a Particle Accelerator Episode 28: You Swallowed a Tapeworm – What Now? Episode 29: Let’s Shrink Earth to Half Its Size Episode 30: Map Projections – Why Do We Have Different Maps of the Earth? Episode 31: What If Our Sun Disappeared? Episode 32: Can You Escape a Black Hole? Episode 33: Something in Your Kitchen Emits Antimatter Episode 34: What Does the Moon Smell Like? Episode 35: Will Europe Freeze over When the Gulf Stream Stops? Episode 36: AI Can Literally Lend You a Hand Episode 37: YOU Own the Moon. And Mars. And Venus. Episode 38: ONE Gene Determines How Many Fingers You Have Episode 39: Let's Cook a Galaxy Episode 40: How You Can Live Forever... Maybe. Episode 41: Why You Need a Space Elevator And How You Can Build One Episode 42: Why Is the Night Sky Black? Episode 43: Your Hidden Superpower Episode 44: How Old Can You Get? Episode 45: Something Travels Faster than Light Episode 46: We Are Making a VIDEO GAME Episode 47: Our Brains Are Not Special. But Why Are We? Episode 48: The Deadly Power of a Coin-Sized Black Hole Episode 49: Can We Stop the Extinction? Episode 50: Can Our Universe Destroy Itself? Episode 51: The Sun is NOT Yellow! Episode 52: Fentanyl Explained Episode 53: This Happens When You Get a Tattoo

Episode 1: How Evolution Works Episode 2: The Solar System — Our Home in Space Episode 3: Fracking Explained: Opportunity or Danger Episode 4: The Gulf Stream Explained Episode 5: How the Stock Exchange Works (For Dummies) Episode 6: The History and Future of Everything — Time

Episode 1: Three Ways to Destroy the Universe Episode 2: The Beginning of Everything — The Big Bang Episode 3: Who Invented the Internet? And Why? Episode 4: How Big Is the Moon? (MM#1) Episode 5: The Moons of Mars Explained — Phobos & Deimos (MM#2) Episode 6: How to Catch a Dwarf Planet — Triton (MM#3) Episode 7: Are You Alone? (In the Universe) Episode 8: Iraq Explained — ISIS, Syria and War Episode 9: The Immune System Explained I — Bacteria Infection Episode 10: Everything You Need to Know About Planet Earth Episode 11: Atoms as Big as Mountains — Neutron Stars Explained Episode 12: Is War Over? — A Paradox Explained Episode 13: The Ebola Virus Explained — How Your Body Fights for Survival Episode 14: What Is Life? Is Death Real? Episode 15: The Ultimate Conspiracy Debunker

Episode 1: How Small Is an Atom? (Spoiler: Very Small) Episode 2: Measles Explained — Vaccinate or Not? Episode 3: Banking Explained — Money and Credit Episode 4: Nuclear Energy Explained: How Does It Work? (1/3) Episode 5: 3 Reasons Why Nuclear Energy Is Terrible! (2/3) Episode 6: 3 Reasons Why Nuclear Energy Is Awesome! (3/3) Episode 7: The Fermi Paradox — Where Are All the Aliens? Episode 8: The Fermi Paradox II — Solutions and Ideas Episode 9: The Death of Bees Explained — Parasites, Poison and Humans Episode 10: What if There Was a Black Hole in Your Pocket? Episode 11: What Is Dark Matter and Dark Energy? Episode 12: The European Refugee Crisis and Syria Explained Episode 13: Addiction Episode 14: What Is Light? Episode 15: How Facebook Is Stealing Billions of Views Episode 16: Quantum Computers Explained — Limits of Human Technology Episode 17: Black Holes Explained — From Birth to Death Episode 18: What Is Something?

Episode 1: The Last Star in the Universe — Red Dwarfs Explained Episode 2: Why the War on Drugs Is a Huge Failure Episode 3: The Antibiotic Apocalypse Explained Episode 4: Space Elevator — Science Fiction or the Future of Mankind? Episode 5: Safe and Sorry — Terrorism & Mass Surveillance Episode 6: How Far Can We Go? Limits of Humanity (old version) Episode 7: What Are You? Episode 8: What Happened Before History? Human Origins Episode 9: Death From Space — Gamma-Ray Bursts Explained Episode 10: Genetic Engineering Will Change Everything Forever — CRISPR Episode 11: Genetic Engineering and Diseases — Gene Drive & Malaria Episode 12: The Most Efficient Way to Destroy the Universe — False Vacuum Episode 13: Fusion Energy Explained — Future or Failure Episode 14: The Most Gruesome Parasites — Neglected Tropical Diseases (NTDs) Episode 15: A New History for Humanity — The Human Era Episode 16: Overpopulation — The Human Explosion Explained

Episode 1: Why Earth Is a Prison and How to Escape It Episode 2: Do Robots Deserve Rights? What If Machines Become Conscious? Episode 3: Are GMOs Good or Bad? Genetic Engineering & Our Food Episode 4: Is the European Union Worth It or Should We End It? Episode 5: The Last Light Before Eternal Darkness — White Dwarfs & Black Dwarfs Episode 6: The Rise of the Machines — Why Automation Is Different This Time Episode 7: Optimistic Nihilism Episode 8: What Happens If We Throw an Elephant From a Skyscraper? (The Size of Life #1) Episode 9: Why Black Holes Could Delete the Universe — The Information Paradox Episode 10: What Happens If We Bring the Sun to Earth? Episode 11: Is Reality Real? The Simulation Argument Episode 12: How Bacteria Rule Over Your Body — The Microbiome Episode 13: Why Age? Should We End Aging Forever? Episode 14: How to Cure Aging — During Your Lifetime? Episode 15: Emergence — How Stupid Things Become Smart Together Episode 16: Universal Basic Income Explained — Free Money for Everybody? Episode 17: How to Make an Elephant Explode (The Size of Life #2)

Episode 1: Why Alien Life Would Be Our Doom — The Great Filter Episode 2: Homeopathy Explained — Gentle Healing or Reckless Fraud? Episode 3: String Theory Explained — What Is the True Nature of Reality? Episode 4: A Selfish Argument for Making the World a Better Place — Egoistic Altruism Episode 5: Time: The History & Future of Everything — Remastered Episode 6: The Black Hole Bomb and Black Hole Civilizations Episode 7: The Deadliest Being on Planet Earth — The Bacteriophage Episode 8: 3 Arguments Why Marijuana Should Stay Illegal Reviewed Episode 9: Plastic Pollution: How Humans Are Turning the World Into Plastic Episode 10: What If You Detonated a Nuclear Bomb in the Marianas Trench? (Science, Not Fantasy) Episode 11: Wormholes Explained — Breaking Spacetime Episode 12: How We Could Build a Moon Base TODAY (Space Colonization #1) Episode 13: Why Meat Is the Best Worst Thing in the World Episode 14: Why Beautiful Things Make Us Happy — Beauty Explained Episode 15: End of Space — Creating a Prison for Humanity Episode 16: How to Build a Dyson Sphere — The Ultimate Megastructure Episode 17: Aliens Under the Ice — Life on Rogue Planets Episode 18: Episode 18

Episode 1: Is Organic Really Better? Healthy Food or Trendy Scam? Episode 2: Building a Mars Base Is a Horrible Idea: Let’s Do It! Episode 3: Loneliness Episode 4: The Origin of Consciousness — How Unaware Things Became Aware Episode 5: What If We Detonated All Nuclear Bombs at Once? Episode 6: The Most Dangerous Stuff in the Universe — Strange Stars Explained Episode 7: The Side Effects of Vaccines — How High Is the Risk? Episode 8: Is the EU Democratic? Does Your Vote Matter? Episode 9: Is Meat Bad for You? Is Meat Unhealthy? Episode 10: Could Your Phone Hurt You? Electromagnetic Pollution Episode 11: Tiny Bombs in Your Blood — The Complement System Episode 12: The World War of the Ants — The Army Ant Episode 13: The Egg — A Short Story Episode 14: What’s Hiding at the Most Solitary Place on Earth? The Deep Sea Episode 15: The Billion Ant Mega Colony and the Biggest War on Earth Episode 16: What If We Nuke a City? Episode 17: Neutron Stars — The Most Extreme Things That Are Not Black Holes Episode 18: 1,000 km Cable to the Stars — The Skyhook Episode 19: An Antidote to Dissatisfaction Episode 20: Overpopulation & Africa Episode 21: How to Move the Sun: Stellar Engines

Episode 1: Milk. White Poison or Healthy Drink? Episode 2: How to Make a Kurzgesagt Video in 1200 Hours Episode 3: Why Blue Whales Don't Get Cancer - Peto's Paradox Episode 4: The Coronavirus Explained & What You Should Do Episode 5: Why Are You Alive – Life, Energy & ATP Episode 6: The Past We Can Never Return To – The Anthropocene Reviewed Episode 7: Could Solar Storms Destroy Civilization? Solar Flares & Coronal Mass Ejections Episode 8: Who Is Responsible For Climate Change? – Who Needs To Fix It? Episode 9: What Is Intelligence? Where Does it Begin? Episode 10: What Do Alien Civilizations Look Like? The Kardashev Scale Episode 11: Unlimited Resources From Space – Asteroid Mining Episode 12: The Warrior Kingdoms of the Weaver Ant Episode 13: The Largest Star in the Universe – Size Comparison Episode 14: Is It Too Late To Stop Climate Change? Well, it's Complicated. Episode 15: When Time Became History - The Human Era Episode 16: Geoengineering: A Horrible Idea We Might Have to Do Episode 17: How Large Can a Bacteria get? Life & Size 3 Episode 18: What If Earth got Kicked Out of the Solar System? Rogue Earth Episode 19: Can You Upload Your Mind & Live Forever? Episode 20: What if We Nuke the Moon?

Episode 1: How Many People Did Nuclear Energy Kill? Nuclear Death Toll Episode 2: What if the World turned to Gold? - The Gold Apocalypse Episode 3: Do we Need Nuclear Energy to Stop Climate Change? Episode 4: The Ultimate Guide to Black Holes Episode 5: TRUE Limits Of Humanity – The Final Border We Will Never Cross Episode 6: What Are You Doing With Your Life? The Tail End Episode 7: The Day the Dinosaurs Died – Minute by Minute Episode 8: How To Terraform Venus (Quickly) Episode 9: The Largest Black Hole in the Universe - Size Comparison Episode 10: How The Immune System ACTUALLY Works – IMMUNE Episode 11: This Virus Shouldn't Exist (But it Does) Episode 12: Can YOU Fix Climate Change? Episode 13: What Dinosaurs ACTUALLY Looked Like? Episode 14: You Are Immune Against Every Disease Episode 15: Is Meat Really that Bad? Episode 16: ...And We'll Do it Again Episode 17: Why We Should NOT Look For Aliens - The Dark Forest

Episode 1: What Happens if the Moon Crashes into Earth? Episode 2: Are There Lost Alien Civilizations in Our Past? Episode 3: We WILL Fix Climate Change! Episode 4: The Most Horrible Parasite: Brain Eating Amoeba Episode 5: You Are Not Where You Think You Are Episode 6: Change Your Life - One Tiny Step at a Time Episode 7: The Last Human - A Glimpse Into The Far Future Episode 8: The Deadliest Virus on Earth Episode 9: Is Civilization on the Brink of Collapse? Episode 10: Why You Are Lonely and How to Make Friends Episode 11: Let's Travel to The Most Extreme Place in The Universe Episode 12: What Happens if a Supervolcano Blows Up? Episode 13: Why Don't We Shoot Nuclear Waste Into Space? Episode 14: The Most Extreme Explosion in the Universe Episode 15: The Horror of the Slaver Ant Episode 16: How To Terraform Mars - WITH LASERS Episode 17: Black Hole Star – The Star That Shouldn't Exist

Episode 1: The Most Complex Language in the World Episode 2: What Actually Happens When You Are Sick Episode 3: How We Make Money on YouTube with 20M Subs Episode 4: Why Aliens Might Already Be On Their Way To Us Episode 5: Your Body Killed Cancer 5 Minutes Ago Episode 6: The Black Hole That Kills Galaxies Episode 7: The Reason Why Cancer is so Hard to Beat Episode 8: The Most Dangerous Weapon Is NOT Nuclear Episode 9: The (Second) Most Deadliest Virus on Earth Episode 10: What Happens If You Destroy A Black Hole? Episode 11: How A Nuclear War Will Start - Minute by Minute Episode 12: We Did The Math - You Are Dead! Episode 13: Why Korea is Dying Out Episode 14: Ancient Life as Old as the Universe Episode 15: 4.5 Billion Years in 1 Hour Episode 16: How to Win an Interstellar War Episode 17: The Last Thing To Ever Happen In The Universe Episode 18: The Internet is Worse Than Ever – Now What? Episode 19: How To Destroy The Universe Episode 20: Your Tattoo is INSIDE Your Immune System. Literally Episode 21: You Are The Center of The Universe (Literally)

Episode 1: Did The Future Already Happen? - The Paradox of Time Episode 2: What Happens AFTER Nuclear War? Episode 3: The Paradox of an Infinite Universe Episode 4: How The Dinosaurs Actually Died Episode 5: There Are Thousands of Alien Empires in The Milky Way Episode 6: Smoking is Awesome Episode 7: This Black Hole Could be Bigger Than The Universe Episode 8: Do You Have a Free Will? Episode 9: This Disease is Deadlier Than The Plague Episode 10: A.I. ‐ Humanity's Final Invention? Episode 11: Fever Feels Horrible, but is Actually Awesome! Episode 12: We Traveled Back in Time. Now Physicists Are Angry. Episode 13: We Need to Rethink Exercise (Updated Version) Episode 14: Why Scientists Are Puzzled By This Virus Episode 15: This Video Might Save 58 Lives Next Week Episode 16: There Is Something Hiding Inside Earth Episode 17: Tired of Doomscrolling? Episode 18: We Fell For The Oldest Lie On The Internet Episode 19: The Most Insane Weapon You Never Heard About Episode 20: We Have To Talk About Weed Episode 21: Vaping Is Too Good To Be True Episode 22: Black Hole's Evil Twin - Gravastars Explained Episode 23: Is The World Getting More Violent? Episode 24: The Real Reason Why You Have Allergies

Episode 1: Alien Whales On Planet Nimbus - What Aliens Might Look Like Episode 2: This Is NOT An Anti Meat Video Episode 3: Why Your Brain Blinds You For 2 Hours Every Day Episode 4: SOUTH KOREA IS OVER Episode 5: Your Time Machine Broke - At The Worst Time In History Episode 6: We Finally Answered the MOST Important Question Episode 7: Why Does Fentanyl Feel So Good? Episode 8: Why Is The US Dropping Billions Of Mutant Flies From The Sky? Episode 9: The Betrayal of Autoimmune Diseases Episode 10: Let's Kill You a Billion Times to Make You Immortal