Ancient Aliens Underground Aliens (Season 2, Episode 4)
TV-PG
TV Episode | 44 min | Documentary, History, Sci-Fi

Ancient Aliens

Underground Aliens (Season 2, Episode 4)

TV-PG

TV Episode | 44 min | Documentary, History, Sci-Fi

If extraterrestrials influenced human history, can evidence of their existence be found in hidden tunnels and caverns around the world? Could a cave in Ecuador contain metallic books inscribed with secrets of alien technology? Was an ...See moreIf extraterrestrials influenced human history, can evidence of their existence be found in hidden tunnels and caverns around the world? Could a cave in Ecuador contain metallic books inscribed with secrets of alien technology? Was an ancient underground city in Turkey built with alien help... or as a refuge from an alien attack? Written by Anonymous See less

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Cast	+ Add Cast
24 cast members

Name	Known for
Giorgio A. Tsoukalos Self - Publisher, Legendary Times Magazine Self - Publisher, Legendary Times Magazine See fewer	Resident Alien (2021)
John Brandenburg Self - Engineer Self - Engineer See fewer	Ancient Aliens (2009)
David Childress Self - Author: Technology of the Gods Self - Author: Technology of the Gods See fewer	Pole to Pole
David Wilcock Self - Author / Filmmaker Self - Author / Filmmaker See fewer	The Recall (2017)
Jason Martell Self - Author, Knowledge Apocalypse Self - Author, Knowledge Apocalypse See fewer	Ancient Astronauts: Our Extraterrestrial Legacy (2011)
Jay Vigil Self - Dulce, NM Resident Self - Dulce, NM Resident See fewer	Ancient Aliens (2009)
Linda Moulton Howe Self - Investigative Journalist, Earthfiles Self - Investigative Journalist, Earthfiles See fewer	A Strange Harvest (1980)
Richard Vigil Self - Dulce, NM Resident Self - Dulce, NM Resident See fewer	The Unexplained Files (2013)
Geraldine Julian Self - Jicarilla Apache Elder Self - Jicarilla Apache Elder See fewer	Ancient Aliens (2009)
Bill Birnes Self - Author / Publisher, UFO Magazine (as Bill Birnes J.D. Ph.D.) Self - Author / Publisher, UFO Magazine (as Bill Birnes J.D. Ph.D.) See fewer	The Riverman (2004)
Erich von Däniken Self - Author, Chariots of the Gods Self - Author, Chariots of the Gods See fewer	Contact (2003)
Stanley Hall Self - Explorer (archive footage) Self - Explorer (archive footage) See fewer
Philip Coppens Self - Author / Investigative Journalist Self - Author / Investigative Journalist See fewer	Alien Crash at Roswell: The UFO Truth Lost in Time (2013)
Eileen Hall Self - Daughter of Stanley Hall Self - Daughter of Stanley Hall See fewer	Expedition Unknown (2015)
Guillermo de Anda Self - Prof. of Underwater Archaeology, University of Yucatan Self - Prof. of Underwater Archaeology, University of Yucatan See fewer	Buried Truth of the Maya (2019)
Rodney Cluff Self - Author, World Top Secret: Our Earth Is Hollow Self - Author, World Top Secret: Our Earth Is Hollow See fewer	Ancient Aliens (2009)
David Standish Self - Author, Hollow Earth Self - Author, Hollow Earth See fewer	Ancient Aliens (2009)
George Noory Self - Radio Host, Coast to Coast AM Self - Radio Host, Coast to Coast AM See fewer	Alien Armageddon (2011)
Robert Clotworthy Narrator (voice) Narrator (voice) See fewer	Red Notice (2021)
Neil Armstrong Self - NASA Astronaut, Apollo 11 Moon Landing (archive footage) (uncredited) Self - NASA Astronaut, Apollo 11 Moon Landing (archive footage) (uncredited) See fewer	Forest 404 (I) (2019)
Richard E. Byrd Self - Explorer (archive footage) (uncredited) Self - Explorer (archive footage) (uncredited) See fewer	With Byrd at the South Pole (1930)
Carlos Crespi Self - Priest (archive footage) (uncredited) Self - Priest (archive footage) (uncredited) See fewer	Los Invencibles Shuaras del alto Amazonas (1926)
Maria Orsic Self (archive footage) (uncredited) Self (archive footage) (uncredited) See fewer	Dark Fellowships: The Vril (2008)
Jules Verne Self (archive footage) (uncredited) Self (archive footage) (uncredited) See fewer	20,000 Leagues Under the Sea (1954)