Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99)

What if life on Earth began in outer space? See more in this special from Ancient Aliens, Season 1, Episode 99. Find out more about the show and watch full episodes on our site: "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years....

91 min - Archaeology & Mysteries - HISTORY

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