Season 1
(2007)
Cast
Episodes
Wolf 6.0
August 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 smalle…
Sabertooth 0.0
August 19, 2007
The Sabertooth dominated the primal landscape of the Americas for nearly two million years, then suddenly, mysteriously…
Bear 6.0
September 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 y…
Terror Bird 6.0
April 28, 2009
The Terror Birds of South America may be the most unusual predators ever to roam the face of the Earth. Until about fiv…
Monster Shark 6.0
April 28, 2009
Megalodon. It was the biggest predator to ever swim the oceans of the world. For 20 million years, this ferocious 50-to…
Killer Pig 6.0
October 12, 2009
At four feet wide and 1,000 pounds, the killer pig was a prehistoric battle tank that dominated the North American land…
Razor Jaws 6.0
October 12, 2009
Hyaenodon created a reign of terror by just using its head. It dominated with this one lethal weapon that could dispat…