Journey 80 million years back in time to an age when mighty dinosaurs dominated the land - and an equally astonishing assortment of ferocious creatures swam, hunted, and fought for survival beneath the vast, mysterious prehistoric seas.

Cast:Liev Schreiber, Jerry Hoffman, Toni Dodd, Chris Glaze, Cheryl Hunter, Doug Kisgen,

Genre:Documentary,

country:United States of America,

Production:National Geographic Films,