Air date: 2009-12-06

Runtime: 44 min

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.

Air date: 2009-12-06

Runtime: 44 min

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.

Air date: 2009-12-13

Runtime: 44 min

Predators didn't dominate the Cretaceous period - plant-eaters did. And their bodies were built to take a beating. The latest science reveals the anatomical secrets that made the earth's largest vegetarians successful.

Air date: 2009-12-13

Runtime: 44 min

More than a million generations adapted dinosaurs to a changing planet. But each successful generation boils down to a single encounter between two like-minded reptiles. The latest science reveals the anatomical secrets to life and love among dinosaurs. Dinosaurs are the ultimate biological success story. More than a million generations improved and adapted each dino species to their changing planet. But each successful generation boils down to a single encounter between two like-minded reptiles. The latest science reveals the anatomical secrets to life and love in an age of dinosaurs.