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When Fish Wore Armor

When Fish Wore Armor

Season 1 Episode 51
9:37
When Birds Had Teeth

When Birds Had Teeth

Season 1 Episode 52
11:29
When We First Walked

When We First Walked

Season 1 Episode 57
10:56
Did Raptorex Really Exist?

Did Raptorex Really Exist?

Season 1 Episode 58
12:27
Can We Get DNA From Fossils?

Can We Get DNA From Fossils?

Season 1 Episode 59
11:22
When Giant Amphibians Reigned

When Giant Amphibians Reigned

Season 1 Episode 60
9:51
Your Place in the Primate Family Tree

Your Place in the Primate Family Tree

Season 1 Episode 61
11:35
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Eons

When Insects First Flew

Season 1 Episode 49

Insects were the first animals to ever develop the ability to fly, and, arguably, they did it the best. But this development was so unusual that scientists are still working on, and arguing about, how and when insect wings first came about.

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Season
A Brief History of Geologic Time
12:08
Geologists have been able to identify crucial episodes in life’s history.
An Illustrated History of Dinosaurs
12:20
Our image of dinosaurs has been constantly changing since naturalists started studying the
When Whales Walked
4:56
We know whales as graceful giants bound to the sea.
Living Fossils' Aren't Really a Thing
5:05
Even the most ancient-looking organisms show us that evolution is always at work.
When The Earth Was Purple
5:37
But imagine a time when the Earth looked a little … purple.
How Did Dinosaurs Get So Huge?
5:42
Creatures as tall as a five-story buildings shook the Earth.
History's Most Powerful Plants
5:20
Fossil fuels are made from the remains of extinct organisms.
The Age of Giant Insects
5:28
Insects and other arthropods weren’t always so small.
The Strange Case of the Buzzsaw Jaws
3:54
A 270-million-year-old sea creature called Helicoprion that once swam the seas.
The Extinction That Never Happened
7:36
Natural history is full of living things that were long thought to have gone extinct only
Dimetrodon: Our Most Unlikely Ancestor
5:21
Take a close look and you might see a little bit of yourself.
The Biggest Thing That Ever Flew
4:27
Today, we’re familiar with two types of flying vertebrates -- birds and bats.
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