WHAT’S ON TONIGHT
Use one of the services below to sign in to PBS:
tried to add this video to your Watchlist so you can watch
it later. But first, we need you to sign in to PBS using one
of the services below. You’ll be able to manage
videos in your Watchlist, keep track of your favorite shows,
watch PBS in high definition, and much more!
tried to select this program as one of your favorites. But
first, we need you to sign in to PBS using one of the
services below. You’ll be able to manage videos in
your Watchlist, keep track of your favorite shows, watch PBS
in high definition, and much more!
To get you
watching PBS in high definition we need you to sign in to
PBS using one of the services below. You'll be able
to manage videos in your Watchlist, keep track of your
favorite shows, watch PBS in high definition, and much more!
Don’t have a PBS Account? Create one nowCreate a PBS account
Already a KSPS member? You may have an unactivated KSPS Passport member benefit. Check to see.
Ancient Fauna, Flora & Fungi
Life, Sex & Death Among the Dire Wolves
Dire wolves were real! Their remains taught us a lot about how they lived.
S1 Ep56 | 9m 15s
Share this video:
Share this video on FacebookFacebookShare this video on TwitterTwitter
When Birds Had Teeth
How did Archaeopteryx relate to today’s birds? Its teeth provide a major clue.
S1 Ep52 | 11m 29s
How the Squid Lost Its Shell
Ancestors of cephalopods all had shells until it proved to be their biggest weakness.
S1 Ep38 | 8m 5s
How the Turtle Got Its Shell
Where did turtles come from? And how did the they get their shells?
S1 Ep33 | 8m 29s
When Giant Amphibians Reigned
A look at when Temnospondyls Amphibians existed for 210 million years
S1 Ep60 | 9m 51s
The Rise and Fall of the Bone-Crushing Dogs
What happened to the biggest dogs that ever lived?
S1 Ep55 | 8m 29s
How Horses Took Over North America (Twice)
Horses vanished from North America for 10,000 years until a mammal brought them back.
S1 Ep53 | 9m 8s
When Fish Wore Armor
420 million years ago, some fish wore armor – and it may have served a surprising purpose.
S1 Ep51 | 9m 37s
When Insects First Flew
Insects were the first animals to fly. Scientists are still working on how it happened.
S1 Ep49 | 8m 38s
When Fish First Breathed Air
Before a group of fish could live on dry land, they acquired the ability to breathe air.
S1 Ep46 | 8m 40s
Why Triassic Animals Were Just the Weirdest
Why the Triassic was full of creatures that look a lot like other, more modern species.
S1 Ep44 | 9m 7s
When Giant Scorpions Swarmed the Seas
Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes.
S2 Ep17 | 11m 38s