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When Sharks Swam the Great Plains

When Sharks Swam the Great Plains

Season 2 Episode 5
11:45

When Apes Conquered Europe

Season 2 Episode 6
8:08
When Humans Were Prey

When Humans Were Prey

Season 2 Episode 8
9:21
How Blood Evolved (Many Times)

How Blood Evolved (Many Times)

Season 2 Episode 9
9:56
The Humans That Lived Before Us

The Humans That Lived Before Us

Season 2 Episode 10
11:52
The Island of Shrinking Mammoths

The Island of Shrinking Mammoths

Season 2 Episode 11
11:20
The Giant Bird That Got Lost in Time

The Giant Bird That Got Lost in Time

Season 2 Episode 15
8:33
When We First Made Tools

When We First Made Tools

Season 2 Episode 16
9:08
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Eons

How Sloths Went From the Seas to the Trees

Season 2 Episode 4

The story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees?

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Season
What Happened To Primates In North America?
8:54
Our primate family tree actually originated here!
Why Did These Ancient Gophers Have Horns?
8:23
The horns probably had a purpose - one that rodents would likely benefit from today.
The Sea Monster from the Andes
6:27
How did this giant marine reptile end up high in the Andes Mountains?
How Ancient Art Captured Australian Megafauna
9:43
What if the rock art drawings of strange animals really existed?
The Oddest Couple in the Fossil Record
8:48
How did Thrinaxodon and Broomistega become entombed together?
How We Figured Out Fermentation
9:20
Fermented foods opened up a whole new nutritional landscape for us.
The Dinosaur Who Was Buried at Sea
12:11
Nobody had ever found a specimen like Borealopelta before.
The Biggest Frog that Ever Lived
7:05
Untangling the origins of Beelzebufo -- the giant frog that lived alongside the dinosaurs.
The Story of the Dino Stampede
10:43
To try to solve the puzzle of Lark Quarry, experts have turned to paleoichnology.
How the Walrus Got Its Tusks
7:42
A story that spans almost 20 million years.
When Dinosaurs Chilled in the Arctic
9:20
How were they able to survive in this harsh environment?
The World Before Plate Tectonics
9:24
This period was anything but boring.
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