the screen now Shows in A library, showing David Attenborough talking in the background David Attenborough: Dinosaurs.. ruled the planet for over 150 million years, they occupied almost every corner of the globe and came in almost every shape and sizes, and some are extraordinary.. The screen now Shows Earth in the Cretaceous Narrator: This Time On Prehistoric Planet, we reveal new Animals and new insight. And this, Is Prehistoric Planet.. Prehistoric Planet Title Is On