The UnXplained The Search for Extraterrestrial Life (Season 4, Episode 15)
TV-PG
TV Episode | 42 min | Documentary

Primary photo for The Search for Extraterrestrial Life

The UnXplained

The Search for Extraterrestrial Life (Season 4, Episode 15)

TV-PG

TV Episode | 42 min | Documentary

Space. The Final Frontier-and the ultimate mystery. Scientists are involved in a never-ending quest to understand the vast universe our planet inhabits. But it seems that for each answer science provides, even more questions arise. Our own...See moreSpace. The Final Frontier-and the ultimate mystery. Scientists are involved in a never-ending quest to understand the vast universe our planet inhabits. But it seems that for each answer science provides, even more questions arise. Our own solar system is populated by mysterious objects and phenomenon that seem to defy our attempts to understand them. And when we get deeper into space, the mysteries only deepen. What could lay beyond the confines of the Milky Way? Are there galaxies similar to our own? Could they be capable of sustaining intelligent life? And is that life trying to contact us? Written by History.com See less

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Cast	+ Add Cast
19 cast members

Name	Known for
William Shatner Self - Host Self - Host See fewer	Star Trek V: The Final Frontier (1989)
Jeff Coughlin Self - Astrophysicist, SETI Institute (as Jeff Coughlin Ph.D.) Self - Astrophysicist, SETI Institute (as Jeff Coughlin Ph.D.) See fewer	The UnXplained: Mysteries of the Universe (2024)
James Benford Self - Physicist, The Planetary Society (as James Benford Ph.D.) Self - Physicist, The Planetary Society (as James Benford Ph.D.) See fewer	Unsolved Mysteries (1987)
Michio Kaku Self - Physicist, CUNY (as Michio Kaku Ph.D.) Self - Physicist, CUNY (as Michio Kaku Ph.D.) See fewer	Accidental Truth: UFO Revelations (2023)
Seth Shostak Self - Senior Astronomer, SETI Institute (as Seth Shostak Ph.D.) Self - Senior Astronomer, SETI Institute (as Seth Shostak Ph.D.) See fewer	The Day the Earth Stood Still (2008)
Rod Pyle Self - Author, Mars: Making Contact Self - Author, Mars: Making Contact See fewer	The UnXplained: Mysteries of the Universe (2024)
Amy Shira Teitel Self - Author, Fighting for Space Self - Author, Fighting for Space See fewer	The Vintage Space (2012)
Marc D'Antonio Self - Image Analyst, MUFON Self - Image Analyst, MUFON See fewer	Sons of the Fatherland (2017)
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)
Paul Stonehill Self - Author, The Soviet Files Self - Author, The Soviet Files See fewer	The Secret K.G.B. Files (2021)
Steve Mera Self - Founder, Scientific Establishment of Parapsychology (as Steve Mera Ph.D.) Self - Founder, Scientific Establishment of Parapsychology (as Steve Mera Ph.D.) See fewer	Ancient Lost Worlds (2024)
Leroy Chiao Self - NASA Astronaut (1990-2005) (as Leroy Chiao Ph.D.) Self - NASA Astronaut (1990-2005) (as Leroy Chiao Ph.D.) See fewer	Ancient Aliens (2009)
George J. Haas Self - Founder, The Cydonia Institute Self - Founder, The Cydonia Institute See fewer	The Proof Is Out There: Skinwalker Edition (2022)
Travis Taylor Self - Astrophysicist (as Travis Taylor Ph.D.) Self - Astrophysicist (as Travis Taylor Ph.D.) See fewer	Ancient Aliens (2009)
Jerry Ehman Self - Astronomer (archive footage) Self - Astronomer (archive footage) See fewer	Wow Signal (2017)
William Herschel Self (archive footage) Self (archive footage) See fewer
Percival Lowell Self (archive footage) Self (archive footage) See fewer
Jim McDivitt Self - NASA Astronaut (archive footage) Self - NASA Astronaut (archive footage) See fewer	The Brady Bunch (1969)
Ivan Vagner Self - Russian Cosmonaut (archive footage) Self - Russian Cosmonaut (archive footage) See fewer	Among the Stars (2021)