Watch Series: Prehistoric Predators Released in (2007) - Season 1 produced by USA, The TV Series categorized in Documentary, and content rating TV-PG with duration 60 min broadcasted as these networks National Geographic, Streamed at Putlocker 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. - Season 1