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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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That Time Oxygen Almost Killed Everything
4:45
What if we told you that there was a time when oxygen almost wiped out all life on Earth?
The Story of Saberteeth
5:26
Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger.
What Colors Were Dinosaurs?
5:02
We know a lot about dinosaurs but there’s one question that has plagued paleontologists..
Stegosaurs: Tiny Brains & Thagomizers
4:49
If you take it as a given that extinct dinosaurs were all weird and wonderful, then you go
The Tully Monster & Other Problematic Creatures
4:01
There are animals in the fossil record that challenge some of our most basic ideas..
When Did the First Flower Bloom?
4:21
During the Cretaceous Period, dinosaurs were more diverse, more fierce, and more strange.
The Trouble With Trilobites
6:46
Trilobites are famous not just because they were so beautifully functional..
When India Was An Island
11:04
We need to talk about the biggest break-up of all-time.
That Time Earth was Sticky
10:45
What exactly made this time period so very, very sticky?
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