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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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How Sex Became A Thing
5:39
Follow the early history of how (and why) sex became a thing.
From the Cambrian Explosion to the Great Dying
10:28
The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!
The Whole Saga of the Supercontinents
8:40
So if we want to know how we got here, we have to understand how "here" got here.
The Great Snake Debate
6:28
90 million years ago, an ancient snake known as Najash had...legs.
Untangling the Devil's Corkscrew
6:11
In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand.
The Time Terror Birds Invaded
5:32
5 million years ago, a predator made its way onto the coastal plains of North America.
How Two Microbes Changed History
7:39
More than two billion years ago, a tiny living thing started to live inside another thing.
When Giant Fungi Ruled
6:37
An unlikely group of pioneers ultimately made life on land possible -- the fungi.
What Happened to the World's Greatest Ape?
7:01
Gigantopithecus is the greatest great-ape that ever was.
The Last Time the Globe Warmed
9:54
Imagine an enormous, lush rainforest teeming with life...in the Arctic.
The Facts About Dinosaurs & Feathers
10:01
Dinosaurs have been found with some sort of fluff or even full-on plumage.
The Search for the Earliest Life
5:37
Even in a hellish environment, life found a way.
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