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The Age of Reptiles in Three Acts

The Age of Reptiles in Three Acts

Season 1 Episode 40
10:45
The Weird, Watery Tale of Spinosaurus

The Weird, Watery Tale of Spinosaurus

Season 1 Episode 41
7:28
Early Life on Earth

Where Did Viruses Come From?

Season 1 Episode 45
7:29
When Fish First Breathed Air

When Fish First Breathed Air

Season 1 Episode 46
8:40
Dinosaurs

How the T-Rex Lost Its Arms

Season 1 Episode 47
6:54
FAQs From Our First Year

FAQs From Our First Year

Season 1 Episode 48
9:20
When Insects First Flew

When Insects First Flew

Season 1 Episode 49
8:38
When Fish Wore Armor

When Fish Wore Armor

Season 1 Episode 51
9:37
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Eons

How the Chalicothere Split In Two

Season 1 Episode 39

Two extinct relatives of horses and rhinos are closely related to each other but have strikingly different body plans. How did two of the same kind of animal, living in the same place, end up looking so different?

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How Sex Became A Thing
5:39
Follow the early history of how (and why) sex became a thing.
From the Cambrian Explosion to the Great Dying
10:28
The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!
The Whole Saga of the Supercontinents
8:40
So if we want to know how we got here, we have to understand how "here" got here.
The Great Snake Debate
6:28
90 million years ago, an ancient snake known as Najash had...legs.
Untangling the Devil's Corkscrew
6:11
In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand.
The Time Terror Birds Invaded
5:32
5 million years ago, a predator made its way onto the coastal plains of North America.
How Two Microbes Changed History
7:39
More than two billion years ago, a tiny living thing started to live inside another thing.
When Giant Fungi Ruled
6:37
An unlikely group of pioneers ultimately made life on land possible -- the fungi.
What Happened to the World's Greatest Ape?
7:01
Gigantopithecus is the greatest great-ape that ever was.
The Last Time the Globe Warmed
9:54
Imagine an enormous, lush rainforest teeming with life...in the Arctic.
The Facts About Dinosaurs & Feathers
10:01
Dinosaurs have been found with some sort of fluff or even full-on plumage.
The Search for the Earliest Life
5:37
Even in a hellish environment, life found a way.
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