Episodes
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When Mammals Only Went Out At Night
S4 Ep10 |Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
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When the Synapsids Struck Back
S2 Ep26 |Our world is the way it is because of the time when the synapsids struck back. - Image
How Earth's First, Unkillable Animals Saved the World
S2 Ep30 |How Earth's First, Unkillable Animals Saved the World - Image
How Volcanoes Froze the Earth...Twice
S2 Ep29 |How Volcanoes Froze the Earth...Twice - Image
When We Met Other Human Species
S2 Ep28 |We all belong to the only group of hominins on the planet today. But we weren’t alone. - Image
How Evolution Works (And How We Figured It Out)
S2 Ep25 |We’ll try to explain how evolution actually works and how we came to understand it. - Image
The Hellacious Lives of the "Hell Pigs"
S2 Ep24 |There is some evolutionary method to the anatomical madness that is the "hell pig." - Image
The History of Climate Cycles (and the Woolly Rhino)
S2 Ep23 |The History of Climate Cycles (and the Woolly Rhino) Explain - Image
The Ghostly Origins of the Big Cats
S2 Ep21 |Scientists have recently discovered a major clue about the origins of the big cats.
About Eons
Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.