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.
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Full Episodes
Season
Episode
11:09
Eons
When Mammals Only Went Out At Night
Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
Season 4
Episode 10
Episode
7:55
Eons
How a Mass Extinction Event Created the Amazon
The history of how the Amazon's revolution began in just one day.
Season 4
Episode 9
Episode
9:59
Eons
How a Supervolcano Ignited an Evolutionary Debate
Discover the effects of the Toba supervolcano.
Season 4
Episode 8
Episode
9:32
Eons
How Pollination Got Going Twice
Pollination by insects actually got going twice.
Season 4
Episode 7
Episode
6:46
Eons
The Creature That Stumped Darwin
The Toxodon fossils help reveal the mystery surrounding evolution.
Season 4
Episode 6
Episode
10:53
Eons
How the Starfish Got Its Arms
The Story of How the Starfish Got its Arms Reminds us that Animals have Deep Histories.
Season 4
Episode 5
Episode
11:01
Eons
Where Are All the Medium-Sized Dinosaurs?
Learn More about the Very Rare Medium-Sized Dinosaurs.
Season 4
Episode 4
Episode
8:06
Eons
The Island of the Last Surviving Mammoths
The very last mammoths that ever lived experienced what’s known as a mutational meltdown.
Season 4
Episode 3
Episode
7:44
Eons
The Traits That Spawned the Age of Mammals
Some Mammal Traits Show Up a Lot Earlier and in Things That Weren’t Mammals at All.
Season 4
Episode 2
Episode
10:01
Eons
Did These Giant Sloths Poop Themselves to Death?
Find out if Sloths Really Did Poop Themselves to Death.
Season 4
Episode 1
