Ancient Aliens

Aliens and the Undead (3x14)

Air date: Oct 26, 2011

Zombies rising from their graves... Blood sucking vampires damned for all eternity... and humans trapped in a life and death struggle between heaven and hell. For thousands of years, mankind has told tales of encounters with strange, soulless creatures. Are these beliefs merely manmade fabrications--or could there be extraterrestrial origins in earthly encounters with the undead?