Eons - Season 5 Episode 20 How the Starfish Got Its Arms
Season - Episode
6
Season 6 Jan 11, 2022
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6 - 1How our deadliest parasite turned to the dark side Jan 11, 2022 -
6 - 2Primates vs Snakes (An Evolutionary Arms Race) Jan 19, 2022
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6 - 3
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6 - 4How Vertebrates Got Teeth... And Lost Them Again Feb 08, 2022
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6 - 5How Horses Went From Food To Friends Feb 16, 2022
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6 - 6Why We Only Have Ten Toes (It's a Long Story) Feb 23, 2022
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6 - 7
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6 - 8Dire wolves aren’t wolves at all #shorts Mar 03, 2022
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6 - 9
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6 - 10
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6 - 11
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6 - 12
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6 - 13When a Giant Pterosaur Ruled the European Islands Mar 15, 2022
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6 - 14
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6 - 15
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6 - 16The Sudden Rise of the First Colossal Animal Mar 22, 2022
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6 - 17
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6 - 18The Extreme Hyenas That Didn't Last Mar 29, 2022
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6 - 19
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6 - 20
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6 - 21
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6 - 22
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6 - 23
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6 - 24How the Smallest Animal Got So Simple Apr 13, 2022
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6 - 25
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6 - 26Why Sour May Be The Oldest Taste Apr 20, 2022
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6 - 27The Ancient Human Species With A Missing Body Apr 27, 2022
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6 - 28Are there dinosaur fossils in space? #shorts May 02, 2022
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6 - 29Why don’t rabbits get really, really big? #shorts May 03, 2022
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6 - 30
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6 - 31When Ants Domesticated Fungi May 10, 2022
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6 - 32The Curious Case of the Cave Lion May 17, 2022 -
6 - 33Is This The Oldest Dad In The Fossil Record? May 26, 2022
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6 - 34
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6 - 35What is the most successful human species? #shorts May 31, 2022
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6 - 36
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6 - 37
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6 - 38What came first, the sabertooth or the cat? #shorts Jun 03, 2022
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6 - 39How To Build A Woolly Mammoth (But Should We?) Jun 08, 2022
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6 - 40
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6 - 41Giant Viruses Blur The Line Between Alive and Not Jun 29, 2022 -
6 - 42
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6 - 43
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6 - 44
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6 - 45When Giant Millipedes Reigned Jul 13, 2022 -
6 - 46How Plate Tectonics Transformed Los Angeles Jul 21, 2022 -
6 - 47Why Does Caffeine Exist? Jul 28, 2022 -
6 - 48
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6 - 49
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6 - 50
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6 - 51
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6 - 52Did An Ancient Pathogen Reshape Our Cells? Aug 11, 2022 -
6 - 53How Whale Evolution Kind Of Sucked Aug 18, 2022 -
6 - 54The Fungi That Turned Ants Into Zombies Aug 23, 2022 -
6 - 55Did you know that fossils can get sick? #shorts Aug 31, 2022
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6 - 56
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6 - 57
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6 - 58Did this animal poop cubes? Giant cubes? #shorts Sep 13, 2022
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6 - 59
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6 - 60
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6 - 61When did we start wearing clothes? #shorts Sep 17, 2022
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6 - 62
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6 - 63Where Did Water Come From? Sep 27, 2022
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6 - 64
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6 - 65
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6 - 66
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6 - 67
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6 - 68
5
Season 5 Jan 13, 2021
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5 - 1What Happened to the World's Biggest Beaver? Jan 13, 2021 -
5 - 2The Reign of the Hell Ants Jan 21, 2021 -
5 - 3The Pandemic That Lasted 15 Million Years Jan 28, 2021 -
5 - 4When We First Talked Feb 11, 2021 -
5 - 5The Return of Giant Skin-Shell Sea Turtles Feb 17, 2021 -
5 - 6The Genes We Lost Along the Way Feb 24, 2021 -
5 - 7Our Bizarre, Possibly Venomous, Relative Mar 10, 2021 -
5 - 8How Worm Holes Ended Wormworld Mar 18, 2021 -
5 - 9How Humans Became (Mostly) Right-Handed Mar 24, 2021 -
5 - 10How Chilis Got Spicy (and Why We Love the Burn) Apr 07, 2021
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5 - 11How To Survive the Little Ice Age Apr 20, 2021
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5 - 12When Crocs Thrived in the Seas Apr 29, 2021
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5 - 13When Trees Took Over the World May 12, 2021
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5 - 14How Weasels Got Skinny May 20, 2021
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5 - 15Where Are All The Squid Fossils? Jun 03, 2021
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5 - 16Did These Giant Sloths Poop Themselves to Death? Jul 14, 2021
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5 - 17The Traits That Spawned the Age of Mammals Jul 21, 2021
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5 - 18The Island of the Last Surviving Mammoths Jul 29, 2021
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5 - 19Where Are All the Medium-Sized Dinosaurs? Aug 12, 2021
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5 - 20How the Starfish Got Its Arms Aug 24, 2021
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5 - 21The Creature That Stumped Darwin Sep 01, 2021
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5 - 22How Pollination Got Going Twice Sep 16, 2021
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5 - 23How a Supervolcano Ignited an Evolutionary Debate Sep 23, 2021
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5 - 24How a Mass Extinction Event Created the Amazon Sep 29, 2021
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5 - 25When Mammals Only Went Out At Night Oct 07, 2021
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5 - 26How Ancient Whales May Have Changed the Deep Ocean Oct 21, 2021 -
5 - 27How Dinosaurs Coupled Up Oct 28, 2021
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5 - 28When It Was Too Hot for Leaves Nov 17, 2021
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5 - 29Why The Paleo Diet Couldn't Save The Neanderthals Dec 02, 2021
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5 - 30The Fossil Record In Your Mouth Dec 09, 2021
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5 - 31When Pterosaurs Walked Dec 16, 2021
4
Season 4 Jan 09, 2020
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4 - 1That Time the Mediterranean Sea Disappeared Jan 09, 2020
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4 - 2The Neanderthals That Taught Us About Humanity Jan 16, 2020
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4 - 3The Giant Dinosaur That Was Missing a Body Jan 28, 2020
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4 - 4How South America Made the Marsupials Feb 04, 2020
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4 - 5A Short Tale About Diplodocus' Long Neck Feb 11, 2020
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4 - 6When the Rainforests Collapsed Feb 19, 2020
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4 - 7How a Hot Planet Created the World's Biggest Snake Feb 27, 2020
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4 - 8When the Sahara Was Green Mar 10, 2020
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4 - 9When Penguins Went From The Sky To The Sea Mar 18, 2020
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4 - 10How the Egg Came First Mar 25, 2020
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4 - 11How Dogs (Eventually) Became Our Best Friends Mar 31, 2020
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4 - 12When a Billion Years Disappeared Apr 15, 2020
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4 - 13The Risky Paleo Diets of Our Ancestors Apr 22, 2020
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4 - 14
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4 - 15How Plants Caused the First Mass Extinction May 12, 2020
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4 - 16The Two Viruses That We’ve Had For Millions of Years May 20, 2020
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4 - 17How We Identified One of Earth’s Earliest Animals May 28, 2020
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4 - 18When Dinosaur Look-Alikes Ruled the Earth Jun 09, 2020
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4 - 19The World Before Plate Tectonics Jun 16, 2020
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4 - 20When Dinosaurs Chilled in the Arctic Jun 24, 2020
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4 - 21How the Walrus Got Its Tusks Jul 07, 2020
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4 - 22The Story of the Dino Stampede Jul 16, 2020
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4 - 23The Biggest Frog that Ever Lived Jul 23, 2020
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4 - 24The Dinosaur Who Was Buried at Sea Aug 05, 2020
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4 - 25How We Figured Out Fermentation Aug 13, 2020
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4 - 26The Oddest Couple in the Fossil Record Aug 20, 2020
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4 - 27How Ancient Art Captured Australian Megafauna Sep 02, 2020
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4 - 28The Sea Monster from the Andes Sep 10, 2020
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4 - 29When Rodents Had Horns Sep 15, 2020
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4 - 30The First and Last North American Primates Sep 30, 2020
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4 - 31How Plants Became Carnivores Oct 07, 2020
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4 - 32How Ankylosaurs Got Their Clubs Oct 13, 2020
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4 - 33Why Do Things Keep Evolving Into Crabs? Oct 28, 2020
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4 - 34How Plankton Created A Bizarre Giant of the Seas Nov 10, 2020
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4 - 35
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4 - 36How Humans Lost Their Fur Dec 02, 2020
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4 - 37When Lizards Took Over the World Dec 09, 2020
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4 - 38When the Earth Suddenly Stopped Warming Dec 17, 2020
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4 - 39The Triassic Reptile With "Two Faces" Dec 22, 2020
3
Season 3 Jan 08, 2019
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3 - 1When Humans Were Prey Jan 08, 2019
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3 - 2How Blood Evolved (Many Times) Jan 15, 2019
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3 - 3The Humans That Lived Before Us Jan 29, 2019
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3 - 4The Island of Shrinking Mammoths Feb 05, 2019
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3 - 5The Evolution of the Heart (A Love Story) Feb 13, 2019
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3 - 6How 7,000 Years of Epic Floods Changed the World Feb 27, 2019
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3 - 7The Island of Huge Hamsters and Giant Owls Mar 05, 2019
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3 - 8The Giant Bird That Got Lost in Time Mar 12, 2019
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3 - 9When We First Made Tools Mar 26, 2019
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3 - 10When Giant Scorpions Swarmed the Seas Apr 02, 2019
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3 - 11When We Tamed Fire Apr 09, 2019
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3 - 12The Mystery Behind the Biggest Bears of All Time Apr 23, 2019
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3 - 13The Croc That Ran on Hooves May 01, 2019
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3 - 14When We Took Over the World May 07, 2019
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3 - 15The Ghostly Origins of the Big Cats May 16, 2019
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3 - 16
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3 - 17The Hellacious Lives of the "Hell Pigs" Jun 05, 2019
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3 - 18How Evolution Works (And How We Figured It Out) Jun 11, 2019
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3 - 19When the Synapsids Struck Back Jun 19, 2019
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3 - 20When Ichthyosaurs Led a Revolution in the Seas Jun 25, 2019
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3 - 21When We Met Other Human Species Jul 09, 2019
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3 - 22How Volcanoes Froze the Earth (Twice) Jul 17, 2019
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3 - 23
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3 - 24When Giant Deer Roamed Eurasia Aug 07, 2019
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3 - 25Was This Dinosaur a Cannibal? Aug 14, 2019
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3 - 26The Missing Link That Wasn’t Aug 21, 2019
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3 - 27The Raptor That Made Us Rethink Dinosaurs Aug 28, 2019
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3 - 28When Bats Took Flight Sep 11, 2019
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3 - 29How Pterosaurs Got Their Wings Sep 18, 2019
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3 - 30When Giant Lemurs Ruled Madagascar Sep 25, 2019
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3 - 31When Antarctica Was Green Oct 03, 2019
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3 - 32The Case of the Dinosaur Egg Thief Oct 16, 2019
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3 - 33When Hobbits Were Real Oct 22, 2019
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3 - 34Were These Monsters Inspired by Fossils? Oct 29, 2019
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3 - 35How We Domesticated Cats (Twice) Nov 06, 2019
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3 - 36When Giant Hypercarnivores Prowled Africa Nov 19, 2019
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3 - 37Why Male Mammoths Lost the Game Nov 26, 2019
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3 - 38The Forgotten Story of the Beardogs Dec 12, 2019
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3 - 39The Fuzzy Origins of the Giant Panda Dec 17, 2019
2
Season 2 Jan 15, 2018
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2 - 1How Two Microbes Changed History Jan 15, 2018
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2 - 2The Time Terror Birds Invaded Jan 22, 2018
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2 - 3Untangling the Devil's Corkscrew Jan 29, 2018
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2 - 4The Great Snake Debate Feb 05, 2018
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2 - 5The Whole Saga of the Supercontinents Feb 12, 2018
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2 - 6From the Cambrian Explosion to the Great Dying Feb 20, 2018
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2 - 7How Sex Became a Thing Feb 26, 2018
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2 - 8The Other Explosion You Should Know About Mar 05, 2018
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2 - 9How the Turtle Got Its Shell Mar 12, 2018
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2 - 10What a Dinosaur Looks Like Under a Microscope Mar 19, 2018
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2 - 11The Most Useful Fossils in the World Mar 26, 2018
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2 - 12Inside the Dinosaur Library Apr 02, 2018
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2 - 13What Was the Ancestor of Everything? Apr 11, 2018
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2 - 14How the Squid Lost Its Shell Apr 17, 2018
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2 - 15How the Chalicothere Split In Two Apr 24, 2018
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2 - 16The Age of Reptiles in Three Acts May 02, 2018
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2 - 17The Weird, Watery Tale of Spinosaurus May 08, 2018
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2 - 18From the Fall of Dinos to the Rise of Humans May 16, 2018
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2 - 19That Time It Rained for Two Million Years May 22, 2018
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2 - 20Why Triassic Animals Were Just the Weirdest Jun 05, 2018
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2 - 21Where Did Viruses Come From? Jun 12, 2018
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2 - 22When Fish First Breathed Air Jun 19, 2018
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2 - 23How the T-Rex Lost Its Arms Jun 26, 2018
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2 - 24FAQs From Our First Year Jul 03, 2018
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2 - 25When Insects First Flew Jul 10, 2018
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2 - 26The Mystery of the Eocene’s Lethal Lake Jul 17, 2018
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2 - 27When Fish Wore Armor Jul 24, 2018
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2 - 28When Birds Had Teeth Aug 07, 2018
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2 - 29How Horses Took Over North America (Twice) Aug 14, 2018
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2 - 30
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2 - 31The Rise and Fall of the Bone-Crushing Dogs Aug 28, 2018
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2 - 32Life, Sex & Death Among the Dire Wolves Sep 06, 2018
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2 - 33When We First Walked Sep 11, 2018
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2 - 34Did Raptorex Really Exist? Sep 18, 2018
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2 - 35Can We Get DNA From Fossils? Oct 02, 2018
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2 - 36When Giant Amphibians Reigned Oct 09, 2018
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2 - 37Your Place in the Primate Family Tree Oct 16, 2018
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2 - 38The Two People We're All Related To Oct 23, 2018
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2 - 39When Rodents Rafted Across the Ocean Nov 06, 2018
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2 - 40When Birds Stopped Flying Nov 14, 2018
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2 - 41When Camels Roamed North America Nov 20, 2018
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2 - 42How Sloths Went From the Seas to the Trees Nov 28, 2018
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2 - 43When Sharks Swam the Great Plains Dec 04, 2018
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2 - 44When Apes Conquered Europe Dec 11, 2018
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2 - 45Why Megalodon (Definitely) Went Extinct Dec 19, 2018
1
Season 1 Jun 26, 2017
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1 - 1The Trouble With Trilobites Jun 26, 2017
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1 - 2When Did the First Flower Bloom? Jul 03, 2017
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1 - 3The Tully Monster & Other Problematic Creatures Jul 11, 2017
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1 - 4Stegosaurs: Tiny Brains & Thagomizers Jul 17, 2017
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1 - 5What Colors Were Dinosaurs? Jul 24, 2017
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1 - 6The Story of Saberteeth Jul 31, 2017
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1 - 7That Time Oxygen Almost Killed Everything Aug 07, 2017
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1 - 8The Biggest Thing That Ever Flew Aug 14, 2017
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1 - 9Dimetrodon: Our Most Unlikely Ancestor Aug 21, 2017
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1 - 10The Extinction That Never Happened Aug 28, 2017
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1 - 11The Strange Case of the Buzzsaw Jaws Sep 11, 2017
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1 - 12The Age of Giant Insects Sep 18, 2017
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1 - 13History's Most Powerful Plants Sep 26, 2017
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1 - 14How Did Dinosaurs Get So Huge? Oct 02, 2017
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1 - 15When The Earth Was Purple Oct 09, 2017
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1 - 16'Living Fossils' Aren't Really a Thing Oct 16, 2017
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1 - 17When Whales Walked Oct 23, 2017
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1 - 18An Illustrated History of Dinosaurs Oct 30, 2017
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1 - 19A Brief History of Geologic Time Nov 06, 2017
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1 - 20The Search for the Earliest Life Nov 20, 2017
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1 - 21The Facts About Dinosaurs & Feathers Nov 27, 2017
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1 - 22The Last Time the Globe Warmed Dec 04, 2017
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1 - 23What Happened to the World's Greatest Ape? Dec 11, 2017
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1 - 24When Giant Fungi Ruled Dec 18, 2017
0
Season 0 Jun 22, 2017
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0 - 1A Quick Introduction to Eons Jun 22, 2017
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0 - 2Eons Livestream Q&A Jan 08, 2018
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0 - 3Eons Is Evolving! Join Us on Patreon! Jun 18, 2018
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0 - 4Eons 1-Year Birthday Livestream!!!! Jun 26, 2018
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0 - 5National Fossil Day Livestream! Oct 14, 2020
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0 - 6Fossil Feud: Eons vs SciShow! Oct 13, 2021
Overview
The story of how the starfish got its arms reminds us that even animals that might be familiar to us today can have incredibly deep histories - ones that stretch back almost half a billion years.
Year 2022
Studio PBS Digital Studios, YouTube
Director Hank Green
Crew
Popularity 11.8972
Language English
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