Clash of the Dinosaurs

Extreme Survivors (1x4)

Air date: Dec 13, 2009

120 million years of evolution made dinosaur bodies better adapted to their environment than any mammal today. Some dino species had lifespans of over 100 years. Others had a 1 in 3000 chance of making it to adulthood. The latest science reveals the anatomical secrets that made them such incredible survivors.