When evolutionary zoologist Nick Cutter discovers prehistoric creatures alive and well in the present day the natural world is turned on its head and humanity faces a threat to its very existence. Unexplained anomalies are ripping holes in the fabric of time, allowing creatures from the very earliest stages of Earth's development to roam the modern world. Cutter and his team struggle to keep the looming disaster secret while dealing with savage dinosaurs and other deadly foes.

This 4 disc box set includes series one and two of Primeval.