AMERICAN EXPERIENCE brings to life the compelling stories from our past!
Watch on the Free PBS App
PBS KIDS Shop
Use one of the services below to sign in to PBS:
You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below.
You've just tried to add this show to My List. But first, we need you to sign in to PBS using one of the services below.
How the Squid Lost Its Shell
Ancestors of cephalopods all had shells until it proved to be their biggest weakness.
S1 Ep38 | 8m 5s
Share this video:
Share this video on FacebookFacebookShare this video on TwitterTwitter
What Was the Ancestor of Everything?
The search for our origins go back to a single common ancestor.
S1 Ep37 | 11m 6s
Inside the Dinosaur Library
We talk to Amy Atwater, Collections Manager at the Museum of the Rockies.
S1 Ep36 | 7m 19s
The Most Useful Fossils In The World
Mysterious fossils can be used to tell time in the deep past.
S1 Ep35 | 5m 49s
What a Dinosaur Looks Like Under a Microscope
What has been observed and learned from putting dinosaur bones under a microscope.
S1 Ep34 | 8m 9s
How the Turtle Got Its Shell
Where did turtles come from? And how did the they get their shells?
S1 Ep33 | 8m 29s
The Other Explosion You Should Know About
The Sudden burst of diversity that marked the dawn of truly complex life on our planet.
S1 Ep32 | 6m 25s
How Sex Became A Thing
Follow the early history of how (and why) sex became a thing.
S1 Ep31 | 5m 39s
From the Cambrian Explosion to the Great Dying
The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!
S1 Ep30 | 10m 28s
The Whole Saga of the Supercontinents
So if we want to know how we got here, we have to understand how "here" got here.
S1 Ep29 | 8m 40s
The Great Snake Debate
90 million years ago, an ancient snake known as Najash had...legs.
S1 Ep28 | 6m 28s
Untangling the Devil's Corkscrew
In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand.
S1 Ep27 | 6m 11s
The Time Terror Birds Invaded
5 million years ago, a predator made its way onto the coastal plains of North America.
S1 Ep26 | 5m 32s
How Two Microbes Changed History
More than two billion years ago, a tiny living thing started to live inside another thing.
S1 Ep25 | 7m 39s
When Giant Fungi Ruled
An unlikely group of pioneers ultimately made life on land possible -- the fungi.
S1 Ep24 | 6m 37s
What Happened to the World's Greatest Ape?
Gigantopithecus is the greatest great-ape that ever was.
S1 Ep23 | 7m 1s
The Last Time the Globe Warmed
Imagine an enormous, lush rainforest teeming with life...in the Arctic.
S1 Ep22 | 9m 54s
The Facts About Dinosaurs & Feathers
Dinosaurs have been found with some sort of fluff or even full-on plumage.
S1 Ep21 | 10m 1s
The Search for the Earliest Life
Even in a hellish environment, life found a way.
S1 Ep20 | 5m 37s
A Brief History of Geologic Time
Geologists have been able to identify crucial episodes in life’s history.
S1 Ep19 | 12m 8s
An Illustrated History of Dinosaurs
Our image of dinosaurs has been constantly changing since naturalists started studying the
S1 Ep18 | 12m 20s
When Whales Walked
We know whales as graceful giants bound to the sea.
S1 Ep17 | 4m 56s
Living Fossils' Aren't Really a Thing
Even the most ancient-looking organisms show us that evolution is always at work.
S1 Ep16 | 5m 5s
When The Earth Was Purple
But imagine a time when the Earth looked a little … purple.
S1 Ep15 | 5m 37s
Support for PBS.org provided by: