Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
10 Episodes
  • The Divine Number
    The Divine NumberEpisode 1
  • The Lost Kingdom
    The Lost KingdomEpisode 2
  • The Galactic Keyhole
    The Galactic KeyholeEpisode 3
  • Giants of the Mediterranean
    Giants of the MediterraneanEpisode 4
  • The Forbidden Bible
    The Forbidden BibleEpisode 5
  • William Shatner Meets Ancient Aliens
    William Shatner Meets Ancient AliensEpisode 6
  • Impossible Artifacts
    Impossible ArtifactsEpisode 7
  • The Space Travelers
    The Space TravelersEpisode 8
  • The UFO Pioneers
    The UFO PioneersEpisode 9
  • The Harmonic Code
    The Harmonic CodeEpisode 10
Cast of Season 16
  • Robert ClotworthyNarrator (voice)
  • Giorgio A. Tsoukalos
  • William Henry
  • Ariel Bar Tzadok
  • Jonathan Young
  • David Childress
  • Erich von Däniken
  • Linda Moulton Howe
  • David Wilcock
  • George Noory
  • Philip Coppens
  • Nick Pope
  • Mike Bara
  • Bill Birnes
  • Hugh Newman
  • Robert M. Schoch
  • Michio KakuSelf - Dr. Theoretical Physics Professor
  • Nick Redfern

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