Ancient Aliens - Alien Devastations

Seizoen: 2 - Aflevering: 9 / 14 - Eerst uitgezonden: 23 december 2010 - Episode ID: 527235

If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly disasters to control the fate of the human race? The story of the Great Flood sent by deities to destroy civilizations exists in many prehistoric cultures.