Latest Episodes

35 episodes

When It Was Too Hot for Leaves S05E28

When It Was Too Hot for Leaves

Eons
How Dinosaurs Coupled Up S05E27

How Dinosaurs Coupled Up

Eons
How Ancient Whales May Have Changed the Deep Ocean S05E26

How Ancient Whales May Have Changed the Deep Ocean

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When Mammals Only Went Out At Night S05E25

When Mammals Only Went Out At Night

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How a Mass Extinction Event Created the Amazon S05E24

How a Mass Extinction Event Created the Amazon

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How a Supervolcano Ignited an Evolutionary Debate S05E23

How a Supervolcano Ignited an Evolutionary Debate

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How Pollination Got Going Twice S05E22

How Pollination Got Going Twice

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The Creature That Stumped Darwin S05E21

The Creature That Stumped Darwin

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How the Starfish Got Its Arms S05E20

How the Starfish Got Its Arms

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Where Are All the Medium-Sized Dinosaurs? S05E19

Where Are All the Medium-Sized Dinosaurs?

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The Island of the Last Surviving Mammoths S05E18

The Island of the Last Surviving Mammoths

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The Traits That Spawned the Age of Mammals S05E17

The Traits That Spawned the Age of Mammals

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Did These Giant Sloths Poop Themselves to Death? S05E16

Did These Giant Sloths Poop Themselves to Death?

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Where Are All The Squid Fossils? S05E15

Where Are All The Squid Fossils?

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How Weasels Got Skinny S05E14

How Weasels Got Skinny

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When Trees Took Over the World S05E13

When Trees Took Over the World

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When Crocs Thrived in the Seas S05E12

When Crocs Thrived in the Seas

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How To Survive the Little Ice Age S05E11

How To Survive the Little Ice Age

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How Chilis Got Spicy (and Why We Love the Burn) S05E10

How Chilis Got Spicy (and Why We Love the Burn)

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How Humans Became (Mostly) Right-Handed S05E09

How Humans Became (Mostly) Right-Handed

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How Worm Holes Ended Wormworld S05E08

How Worm Holes Ended Wormworld

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Our Bizarre, Possibly Venomous, Relative S05E07

Our Bizarre, Possibly Venomous, Relative

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The Genes We Lost Along the Way S05E06

The Genes We Lost Along the Way

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The Return of Giant Skin-Shell Sea Turtles S05E05

The Return of Giant Skin-Shell Sea Turtles

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When We First Talked S05E04

When We First Talked

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The Pandemic That Lasted 15 Million Years S05E03

The Pandemic That Lasted 15 Million Years

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The Reign of the Hell Ants S05E02

The Reign of the Hell Ants

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What Happened to the World's Biggest Beaver? S05E01

What Happened to the World's Biggest Beaver?

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The Triassic Reptile With "Two Faces" S04E39

The Triassic Reptile With "Two Faces"

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When the Earth Suddenly Stopped Warming S04E38

When the Earth Suddenly Stopped Warming

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When Lizards Took Over the World S04E37

When Lizards Took Over the World

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How Humans Lost Their Fur S04E36

How Humans Lost Their Fur

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The Rise and Fall of the Tallest Mammal to Walk the Earth S04E35

The Rise and Fall of the Tallest Mammal to Walk the Earth

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How Plankton Created A Bizarre Giant of the Seas S04E34

How Plankton Created A Bizarre Giant of the Seas

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Why Do Things Keep Evolving Into Crabs? S04E33

Why Do Things Keep Evolving Into Crabs?

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