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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
Where Are All The Squid Fossils?
7:21
Solve the Mystery of Where All Squid Fossils Are.
How Weasels Got Skinny
9:01
Find Out Why and How Weasels Push the Limits on What is Metabolically Possible.
When Trees Took Over the World
7:28
Trees have a Far More Rooted History than You Think.
How To Survive the Little Ice Age
10:00
How did the Nunalleq village manage to survive and prosper during the Little Ice Age?
When Crocs Thrived in the Seas
9:08
Watch Metriorhynchids' journey to the Sea.
How Chilis Got Spicy (and Why We Love the Burn)
9:32
Learn about the History and Evolution of the Red (and other) Hot Chilli Peppers.
How Humans Became (Mostly) Right-Handed
8:36
Learn Why Being Right-handed May Have Deep Evolutionary Roots In Our Lineage.
How Worm Holes Ended Wormworld
9:42
How the Ancient Wormworld Met its Fate by its Own Design.
Our Bizarre, Possibly Venomous, Relative
8:11
Explore The Story Of Venomous Mammals, Both Living And Extinct.
The Genes We Lost Along the Way
12:01
This is the journey of our DNA through Time and Space.
The Return of Giant Skin-Shell Sea Turtles
6:53
Sea Turtles, Past And Present.
When We First Talked
11:13
The Evolution of Our Ability to Speak.
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