Description: Colorado, USA- 152 million years B.C. This episode follows a young female Diplodocus, starting with her infancy in the Late Jurassic forests where she must evade predators like the birdlike Ornitholestes. Later, as she moves out of the forests, she comes into contact with giants such as Stegosaurus and Brachiosaurus and must survive attacks from the giant predatory Allosaurus.