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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.
First Air Date : Aug 19, 2007
Last Air date : Oct 12, 2009
Episode : 7 Episode
Season : 1 Season
Runtime: 60 minutes
Studio: National Geographic
Country: United States of America
Cast:
Crew:
