Ancient Aliens They Came from the Sea (Season 14, Episode 5)
TV-PG
TV Episode | 42 min | Fantasy, History, Sci-Fi

Primary photo for They Came from the Sea

Ancient Aliens

They Came from the Sea (Season 14, Episode 5)

TV-PG

TV Episode | 42 min | Fantasy, History, Sci-Fi

Lurking in our oceans are creatures that defy explanation. Octopuses that can edit their own DNA. Animals that can regenerate their entire brain. Jellyfish that can literally live forever. Were they delivered to Earth by extraterrestrial ...See moreLurking in our oceans are creatures that defy explanation. Octopuses that can edit their own DNA. Animals that can regenerate their entire brain. Jellyfish that can literally live forever. Were they delivered to Earth by extraterrestrial beings? Might our oceans be acting as a giant petri dish for alien genetic experimentation? See less

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Cast	+ Add Cast
16 cast members

Name	Known for
Jason Martell Self - Author, Ancient Alien Artifacts Self - Author, Ancient Alien Artifacts See fewer	Ancient Astronauts: Our Extraterrestrial Legacy (2011)
Jonathan Young Self - Founding Curator, Joseph Campbell Archives (as Jonathan Young Ph.D.) Self - Founding Curator, Joseph Campbell Archives (as Jonathan Young Ph.D.) See fewer	Ancient Aliens (2009)
Nick Pope Self - U.K. Ministry of Defence: 1985-2006 Self - U.K. Ministry of Defence: 1985-2006 See fewer	Aliens from the Abyss: The Dark Side of the UFO Phenomenon (2025)
William Henry Self - Author / Investigative Mythologist Self - Author / Investigative Mythologist See fewer	Ancient Aliens (2009)
Kirsten Fisher Self - Associate Professor of Biology, Cal State Los Angeles (as Kirsten Fisher Ph.D.) Self - Associate Professor of Biology, Cal State Los Angeles (as Kirsten Fisher Ph.D.) See fewer	Ancient Aliens (2009)
Giorgio A. Tsoukalos Self - Publisher, Legendary Times Magazine Self - Publisher, Legendary Times Magazine See fewer	Ancient Aliens: Special Presentation (2022)
Thomas M. Iliffe Self - Marine Biologist Self - Marine Biologist See fewer	Ancient Aliens (2009)
Chandra Wickramasinghe Self - Director, Buckingham Centre for Astrobiology (as Dr. Chandra Wickramasinghe) Self - Director, Buckingham Centre for Astrobiology (as Dr. Chandra Wickramasinghe) See fewer	The Unexplained Files (2013)
Queenie Chan Self - Planetary Scientist, The Open University (as Dr. Queenie Chan) Self - Planetary Scientist, The Open University (as Dr. Queenie Chan) See fewer	Ancient Aliens (2009)
Michael Dennin Self - Physicist, Univ. of California, Irvine (as Michael Dennin Ph.D.) Self - Physicist, Univ. of California, Irvine (as Michael Dennin Ph.D.) See fewer	Hangar 1: The UFO Files (2014)
Michio Kaku Self - Author, The Future of Humanity (as Michio Kaku Ph.D.) Self - Author, The Future of Humanity (as Michio Kaku Ph.D.) See fewer	Accidental Truth: UFO Revelations (2023)
David Childress Self - Author: Vimana: Flying Machines of the Ancients Self - Author: Vimana: Flying Machines of the Ancients See fewer	The Reset
Andrew Collins Self - Author, Beneath the Pyramids Self - Author, Beneath the Pyramids See fewer	Ancient Aliens (2009)
Bill Birnes Self - Author, The Everything UFO Book Self - Author, The Everything UFO Book See fewer	The Riverman (2004)
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)