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17 Episodes 0 - 2011
Episode 1
Sun, Aug 19, 200746 mins
The Dire Wolf, a fierce and powerful alpha predator in the savage ice age, was larger and more powerful than any modern-day wolf. Why did it suddenly perish while the smaller, weaker Gray Wolf survived?
Episode 2
Sun, Aug 19, 200747 mins
The sabretooth cat was one of the most terrifying animals ever known to exist. For close on two million years, this relative of the modern lion terrorised the Americas, using its knifelike fangs to kill its prey, but 10,000 years ago, it vanished from the face of the earth. What caused it to go extinct?
Episode 3
Sun, Aug 19, 200745 mins
The short-faced bear was twice the size of a grizzly and could outrun a horse. It roamed North America for almost 1 million years-then faded into extinction. See how this mighty creature lived, hunted and vanished.
Episode 4
Tue, Apr 28, 200951 mins
South America became home to creatures found nowhere else on Earth--Terror Birds. Capable of killing large prey with a single blow from their massive beaks, they were the only birds ever to become top predators on an entire continent.
Episode 5
Tue, Apr 28, 200951 mins
The Megalodon was a ferocious 50-ton shark with a 9 foot jaw and 7 inch serrated teeth terrorized the creatures of the seas. Nearly 2 million years after its extinction, a team of scientists attempt to unlock the mysteries of this apex predator.
Episode 6
Mon, Oct 12, 200946 mins
Hyaenodon created a reign of terror by just using its head. Its powerful, razor sharp bite could dispatch a prey animal within seconds and left a mark in history that will never be matched.
Episode 7
Mon, Oct 12, 200946 mins
At four feet wide and 1,000 pounds, the Killer Pig was a prehistoric battle tank that dominated the North American landscape. Learn how the killer pig was an evolutionary success, despite its eventual extinction.
Episode 8
Mon, Oct 19, 2009
Episode 8
Episode 8
Thu, Nov 19, 2009
Episode 9
The teratorns were the largest birds to ever fly across North America. Scientists study their bones to determine how they were capable of hunting live prey.
Episode 9
Sat, Nov 14, 2009
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Wed, Feb 2, 2011