Perfect Predators Clash of the Dinosaurs : Season 1 Episode 3
TV-PG Discovery 2h 52m
Aired: December 13th, 2009 @ 8:00 PM EST on Discovery
The Cretaceous Period spawned walking death machines with a savage combination of speed, eyesight, brainpower, and razor-sharp implements. The latest science reveals the anatomical secrets of these bloodthirsty carnivores.
