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When Penguins Went From The Sky To The Sea

When Penguins Went From The Sky To The Sea

Season 2 Episode 55
10:33
The Ghostly Origins of the Big Cats

The Ghostly Origins of the Big Cats

Season 2 Episode 56
7:32
When We Took Over the World

When We Took Over the World

Season 2 Episode 57
11:47
When Giant Lemurs Ruled Madagascar (ASL)

When Giant Lemurs Ruled Madagascar (ASL)

Season 2 Episode 58
10:09
Were These Monsters Inspired by Fossils? (ASL)

Were These Monsters Inspired by Fossils? (ASL)

Season 2 Episode 59
12:18
How the Egg Came First

How the Egg Came First

Season 3 Episode 1
8:44
How Dogs (Eventually) Became Our Best Friends

How Dogs (Eventually) Became Our Best Friends

Season 3 Episode 2
9:21
When a Billion Years Disappeared

When a Billion Years Disappeared

Season 3 Episode 3
11:09
The Risky Paleo Diets of Our Ancestors

The Risky Paleo Diets of Our Ancestors

Season 3 Episode 4
7:59
How the Andes Mountains Might Have Killed a Bunch of Whales

How the Andes Mountains Might Have Killed a Bunch of Whales

Season 3 Episode 5
8:27
How Plants Caused the First Mass Extinction

How Plants Caused the First Mass Extinction

Season 3 Episode 6
9:31
The Two Viruses That We’ve Had For Millions of Years

The Two Viruses That We’ve Had For Millions of Years

Season 3 Episode 7
9:11
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Eons

When the Sahara Was Green

Season 2 Episode 54

The climate of the Sahara was completely different thousands of years ago. And we’re not talking about just a few years of extra rain. We’re talking about a climate that was so wet for so long that animals and humans alike made themselves at home in the middle of the Sahara.
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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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