Three episodes of the award-winning "Chased by Dinosaurs" series are collected here, as zoologist Nigel Marvin travels into prehistoric times to revisit some of the planet's most exciting battles. Watch as giant dinosaurs attack each other with monstrous fervor, proving just how dangerous the world used to be. Includes "In Search of the Giant Claw," "The Land of Giant Dinosaurs," and "Chased by Sea Monsters."

DVD Features:

Region 1
Keep Case
Additional Release Material:
Featurette - 1. "Extreme Dinosaurs: The Science of Giants"
Music Clips - 1. Highlights From the Score