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Watch Ancient Aliens Season 21 Episode 4 Online

  • 6.894/10
  • COUNTRIES: United States of America
  • Subtitles: English

Ancient Aliens is counting down ten of the most astonishing and unexplainable technologies in history. From mysterious golden orbs discovered in Mexico, to a sacred wooden box that could communicate with the heavens and an ancient tomb that is said to depict an astronaut. Might these sensational artifacts be evidence of otherworldly contact?