3 Walking With Dinosaurs - Cruel Sea
10/18/99
Season-only
149 million years ago, Oxfordshire was almost entirely submerged in an ocean world, ruled not by dinosaurs but by marine reptiles. This is the story of the violent struggle for life here, as hundreds of Ophthalmosaurus come into the shallows to give birth, attracting predators like the Liopleurodon, the biggest of all the carnivores.