It is the late Cretaceous period and Tyrannosaurus rex is the top predator; but the Earth is poisoned by volcanic activity and a comet strikes. Show more
Discover 11,128,835 listings and 277,521 playable programmes from the BBC
It is the late Cretaceous period and Tyrannosaurus rex is the top predator; but the Earth is poisoned by volcanic activity and a comet strikes. Show more
This listing contains language that some may find offensive.