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Ancient Aliens

Series 4 Episode 9: The Time Travelers

Is it possible that sightings of alien beings or UFOs may actually be evidence of time travellers from the future? Scientists explore the theoretical possibility of time travel.

Documentary / History / Paranormal
Original air date
Cast and crew
  • Jonathan Young
  • Robert ClotworthyNarrator
  • Erich von Däniken
  • Edgar Mitchell
  • Linda Moulton Howe
  • Mike Bara