Travel back to prehistoic times to get to know the fascinating creatures, the dinosaurs. From groundbreaking discoveries involving the T. rex to the intriguing possibility of dinosaurs returning to life. Follow the excavation and research of a new species of Therizinosaur, the most primitive member of a bizarre group of feathered dinosaurs. Using state-of-the-art computer animation, live-action backgrounds and the latest scientific finds.

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Disc 1: Valley of the T. rex -- T. Rex: new science, new beast -- When dinosaurs roamed America -- Utah's dino graveyard -- Disc 2: Dinosaur planet -- Mystery dinosaur -- Dinosaurs: return to life?.