Are Shamans Channeling Aliens? (S1, E17) | Ancient Aliens: Declassified

More than 10,000 crop circles have been reported worldwide, on nearly every continent on earth. Could these strange, elaborate designs be an indication of extraterrestrial communication? In Season 1, Episode 17, "Circles, Rituals and Shamans." Find out more about the show and watch full episodes on...

164 min - Archaeology & Mysteries - HISTORY

More: UFOs documentaries

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