Impossible Pictures.

An evolutionary zoologist discovers prehistoric creatures alive and well in the present day. Unexplained anomalies are ripping holes in the fabric of time, allowing dinosaurs to escape the past and roam the modern world.

Dare to dive into the deadliest seas of all time. The makers of the dazzling Walking with Dinosaurs invite you to swim with monstrously terrifying, and enormously fascinating, creatures from 100 million years ago. Time-travel through marine history with intrepid explorer Nigel Marven as he dives in the late Cretaceous Sea, the most frightening waters in history. Fight a deadly battle with sea scorpions and a giant tentacled orthocone.