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Season 6 Episode
- Season 3 When Humans Were Prey
- Season 3 How Blood Evolved (Many Times)
- Season 3 The Humans That Lived Before Us
- Season 3 The Island of Shrinking Mammoths
- Season 3 The Evolution of the Heart (A Love Story)
- Season 3 How 7,000 Years of Epic Floods Changed the World
- Season 3 The Island of Huge Hamsters and Giant Owls
- Season 3 The Giant Bird That Got Lost in Time
- Season 3 When We First Made Tools
- Season 3 When Giant Scorpions Swarmed the Seas
- Season 3 When We Tamed Fire
- Season 3 The Mystery Behind the Biggest Bears of All Time
- Season 3 The Croc That Ran on Hooves
- Season 3 When We Took Over the World
- Season 3 The Ghostly Origins of the Big Cats
- Season 3 The History of Climate Cycles (and the Woolly Rhino) Explained
- Season 3 The Hellacious Lives of the "Hell Pigs"
- Season 3 How Evolution Works (And How We Figured It Out)
- Season 3 When the Synapsids Struck Back
- Season 3 When Ichthyosaurs Led a Revolution in the Seas
- Season 3 When We Met Other Human Species
- Season 3 How Volcanoes Froze the Earth (Twice)
- Season 3 How Earth's First, Unkillable Animals Saved the World
- Season 3 When Giant Deer Roamed Eurasia
- Season 3 Was This Dinosaur a Cannibal?
- Season 3 The Missing Link That Wasn’t
- Season 3 The Raptor That Made Us Rethink Dinosaurs
- Season 3 When Bats Took Flight
- Season 3 How Pterosaurs Got Their Wings
- Season 3 When Giant Lemurs Ruled Madagascar
- Season 3 When Antarctica Was Green
- Season 3 The Case of the Dinosaur Egg Thief
- Season 3 When Hobbits Were Real
- Season 3 Were These Monsters Inspired by Fossils?
- Season 3 How We Domesticated Cats (Twice)
- Season 3 When Giant Hypercarnivores Prowled Africa
- Season 3 Why Male Mammoths Lost the Game
- Season 3 The Forgotten Story of the Beardogs
- Season 3 The Fuzzy Origins of the Giant Panda
Eons - Season 3 Episode 23 How Earth's First, Unkillable Animals Saved the World
0.00 10 minutes They have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filter-feeding, water-cleaning creatures that they are, sponges may have saved the world.
