For more than 150 million years, dinosaurs ruled the Earth. There were so successful that other animal species had no primary role for this vast amount of time. But at some point a powerful combination of events brought the dinosaurs into their Armageddon.
What really killed the dinosaurs? It is hard to come to a conclusive hypothesis. In this BBC Horizon documentary, the different existing theories will be explained. Many theories which you might not ever think about will be stated.

Watch the Full Free Documentary Online (Playlist)