This episode reveals the complex social systems of dinosaurs such as flying reptiles, huge carnivores, and a plant-eater with a tail like a bullwhip.
This episode highlights new discoveries that shed light on the evolution from early dinosaurs to the giant carnivores such as Tyrannosaurus Rex.
A mother Mosasaurus takes her revenge on a group Squalicorax sharks.
A brilliantly plumed male Gigantoraptor puts on his best performance!
An Allosaurus annoys a herd of sauropods who can kill with their whip-like tail.
Download the TV Guide app for iPhone, iPad and Android!