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.
15 Episodes
  • The UFO Conspiracy
    The UFO ConspiracyEpisode 1
  • Da Vinci's Forbidden Codes
    Da Vinci's Forbidden CodesEpisode 2
  • The Alien Protocols
    The Alien ProtocolsEpisode 3
  • Earth's Black Holes
    Earth's Black HolesEpisode 4
  • The Desert Codes
    The Desert CodesEpisode 5
  • Area 52
    Area 52Episode 6
  • Earth Station Egypt
    Earth Station EgyptEpisode 7
  • Island of the Giants
    Island of the GiantsEpisode 8
  • The Taken
    The TakenEpisode 9
  • The Sentinels
    The SentinelsEpisode 10
  • Russia Declassified
    Russia DeclassifiedEpisode 11
  • They Came From the Sky
    They Came From the SkyEpisode 12
  • The Artificial Human
    The Artificial HumanEpisode 13
  • The Alien Phenomenon
    The Alien PhenomenonEpisode 14
  • Return to Mars
    Return to MarsEpisode 15
Cast of Season 13
  • 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
Watch Season 13 Videos
  • Ancient Aliens: Season 13

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