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How a Hot Planet Created the World's Biggest Snake

How a Hot Planet Created the World's Biggest Snake

Season 2 Episode 53
7:45
When the Sahara Was Green

When the Sahara Was Green

Season 2 Episode 54
7:50
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
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Eons

When the Rainforests Collapsed

Season 2 Episode 52

The Carboniferous Rainforest Collapse set the stage for a takeover that would be a crucial turning point in the history of terrestrial animal life. If it weren’t for that time when the rainforests collapsed - in an extinction event that you probably haven’t heard of - our ancestors might never have made it out of the swamps.
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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.
Why Wasn't There A Second Age of Reptiles?
9:59
Season 7 Episode 15
Why Wasn't There A Second Age of Reptiles?
Why was it the mammals who triumphed?
How Mountains Make Evolution Weird
10:09
Season 7 Episode 14
How Mountains Make Evolution Weird
What do mountains reveal about primates?
The Mystery of the Cretaceous Pompeii
10:39
Season 7 Episode 13
The Mystery of the Cretaceous Pompeii
When you take a deeper look at Pompeii, a different story could be told about the final moments.
How Asteroids Set the Stage for Life on Earth
10:38
Season 7 Episode 12
How Asteroids Set the Stage for Life on Earth
We may have planet-shattering asteroids...
When Neandertals Became Apex Predators
11:50
Season 7 Episode 11
When Neandertals Became Apex Predators
What doomed the Neandertals?
When the Amazon Flowed Backwards
11:25
Season 7 Episode 10
When the Amazon Flowed Backwards
What did life look like when the Amazon watershed flowed backwards?
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