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The Mystery Behind the Biggest Bears of All Time

The Mystery Behind the Biggest Bears of All Time

Season 2 Episode 19
10:41
The Croc That Ran on Hooves

The Croc That Ran on Hooves

Season 2 Episode 22
8:41
The History of Climate Cycles (and the Woolly Rhino)

The History of Climate Cycles (and the Woolly Rhino)

Season 2 Episode 23
13:14
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
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Eons

When We Tamed Fire

Season 2 Episode 18

The ability to make and use fire has fundamentally changed the arc of our evolution. The bodies we have today were, in many ways, shaped by that time when we first tamed fire.
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When a Tiny Land Bridge Triggered an Ice Age
10:27
Season 8 Episode 8
When a Tiny Land Bridge Triggered an Ice Age
Understanding the Isthmus of Panama.
How Chewing May Have Beat Extinction
9:35
Season 8 Episode 6
How Chewing May Have Beat Extinction
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
How We Figured Out an Asteroid Killed the Dinosaurs
10:43
Season 8 Episode 5
How We Figured Out an Asteroid Killed the Dinosaurs
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.
Crawling Out Of The Water Was An Evolutionary Accident
8:19
Season 8 Episode 4
Crawling Out Of The Water Was An Evolutionary Accident
Fish evolved terrestrial traits to...stay fish?
Do Chins Make Us Human?
12:07
Season 8 Episode 3
Do Chins Make Us Human?
We're the only ones with chins, and we don't know why.
The Golden Age of Sharks
12:40
Season 8 Episode 2
The Golden Age of Sharks
Why did sharks get so incredibly diverse and odd during the Golden Age?
Darwin's Unexpected Final Obsession
12:12
Season 7 Episode 21
Darwin's Unexpected Final Obsession
What was Charles Darwin really obsessed with?
Are All Oceans Basically Reincarnated?
12:29
Season 7 Episode 20
Are All Oceans Basically Reincarnated?
Did you know ocean basins are reincarnated?
Could This Sperm Whale Eat The Meg?
8:36
Season 7 Episode 19
Could This Sperm Whale Eat The Meg?
How did such a large predator survive?
When Red Pandas Roamed North America
9:41
Season 7 Episode 18
When Red Pandas Roamed North America
How did a relative of the red panda end up in North America?
Webs vs wings: The arms race of the air
8:10
Season 7 Episode 17
Webs vs wings: The arms race of the air
How did the competition of spiders vs insects drive them both into the air?
The Graveyard at the Center of the Earth
12:38
Season 7 Episode 16
The Graveyard at the Center of the Earth
Why plate tectonics don't make sense.
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