Overview
Long before humans evolved, our planet was home to some of the most vicious predators ever to have lived. Step back in time to one of the most amazing eras in the history of planet earth and meet terrifying ancient predators.
Watch Now
If player doesn't work, try switching servers above or use a different browser. 🛡️ Ad blocker is active.
Episodes - Season 1
Episode 1: Wolf
Aug 19, 2007
In the ice age, the dire wolf was larger and more powerful than any modern-day wolf. Why did it vanish while the smaller, weaker gray wolf survived?
Episode 2: Sabertooth
Aug 19, 2007
The Sabertooth dominated the primal landscape of the Americas for nearly two million years, then suddenly, mysteriously went extinct. Find out how it ...
Episode 3: Bear
Sep 15, 2007
This short-faced bear was twice the size of a grizzly and could outrun a horse. It roamed North America for a million years, then went extinct. Why?
Episode 4: Terror Bird
Apr 28, 2009
The Terror Birds of South America may be the most unusual predators ever to roam the face of the Earth. Until about five million years ago, the contin...
Episode 5: Monster Shark
Apr 28, 2009
Megalodon. It was the biggest predator to ever swim the oceans of the world. For 20 million years, this ferocious 50-ton shark with a 7-foot jaw and s...
Episode 6: Killer Pig
Oct 12, 2009
At four feet wide and 1,000 pounds, the killer pig was a prehistoric battle tank that dominated the North American landscape. Endowed with some truly ...
Episode 7: Razor Jaws
Oct 12, 2009
Hyaenodon created a reign of terror by just using its head. It dominated with this one lethal weapon that could dispatch a prey animal within seconds...
