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The Hellacious Lives of the "Hell Pigs"

The Hellacious Lives of the "Hell Pigs"

Season 2 Episode 24
7:17
How Evolution Works (And How We Figured It Out)

How Evolution Works (And How We Figured It Out)

Season 2 Episode 25
12:09
When the Synapsids Struck Back

When the Synapsids Struck Back

Season 2 Episode 26
10:10
When Ichthyosaurs Led a Revolution in the Seas

When Ichthyosaurs Led a Revolution in the Seas

Season 2 Episode 27
9:38
When We Met Other Human Species

When We Met Other Human Species

Season 2 Episode 28
12:56
How Volcanoes Froze the Earth...Twice

How Volcanoes Froze the Earth...Twice

Season 2 Episode 29
10:29
How Earth's First, Unkillable Animals Saved the World

How Earth's First, Unkillable Animals Saved the World

Season 2 Episode 30
10:12
When Giant Deer Roamed Eurasia

When Giant Deer Roamed Eurasia

Season 2 Episode 31
6:53
Was This Dinosaur a Cannibal?

Was This Dinosaur a Cannibal?

Season 2 Episode 32
10:37
The Missing Link That Wasn’t

The Missing Link That Wasn’t

Season 2 Episode 33
9:54
The Raptor That Made Us Rethink Dinosaurs

The Raptor That Made Us Rethink Dinosaurs

Season 2 Episode 34
8:35
When Bats Took Flight

When Bats Took Flight

Season 2 Episode 35
11:09
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Eons

The History of Climate Cycles (and the Woolly Rhino)

Season 2 Episode 23

Throughout the Pleistocene Epoch, the range of the woolly rhino grew and shrank in sync with global climate. So what caused the climate -- and the range of the woolly rhino -- to cycle back and forth between such extremes?
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The Return of Giant Skin-Shell Sea Turtles
6:53
Season 3 Episode 35
The Return of Giant Skin-Shell Sea Turtles
Sea Turtles, Past And Present.
When We First Talked
11:13
Season 3 Episode 34
When We First Talked
The Evolution of Our Ability to Speak.
The Pandemic That Lasted 15 Million Years
9:20
Season 3 Episode 33
The Pandemic That Lasted 15 Million Years
The Pandemic that Lasted 15 Million Years
The Reign of the Hell Ants
10:09
Season 3 Episode 32
The Reign of the Hell Ants
Explore The History And Disappearance Of The Hell Ants.
The Bear-Sized Beaver That Couldn’t Build A Dam
7:32
Season 3 Episode 31
The Bear-Sized Beaver That Couldn’t Build A Dam
Today's Beavers Are Pretty Special And Here's Why.
The Triassic Reptile With "Two Faces"
10:11
Season 3 Episode 30
The Triassic Reptile With "Two Faces"
History Of This Two-faced Creature And What It Can Teach Us About Mass Extinction.
When the Earth Suddenly Stopped Warming
10:21
Season 3 Episode 29
When the Earth Suddenly Stopped Warming
The Heated Debate Around Younger Dryas.
Season 3 Episode 28
When Lizards Took Over the World
This is Lizards' Fascinating And Competitive History.
How Humans Lost Their Fur
11:27
Season 3 Episode 27
How Humans Lost Their Fur
This small change in our appearance has helped shape the evolution of our entire lineage.
The Rise and Fall of the Tallest Mammal to Walk the Earth
7:53
Season 3 Episode 26
The Rise and Fall of the Tallest Mammal to Walk the Earth
It arose from rhino ancestors, but Paraceratherium took a different evolutionary path.
How Plankton Created A Bizarre Giant of the Seas
8:48
Season 3 Episode 25
How Plankton Created A Bizarre Giant of the Seas
Aegirocassis may have been the biggest animal in the Early Ordovician.
Why Do Things Keep Evolving Into Crabs?
6:46
Season 3 Episode 24
Why Do Things Keep Evolving Into Crabs?
What is it about the crab’s form that makes it so evolutionarily successful?
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