NASA's Unexplained Files Secret Aliens (Season 5, Episode 4)
TV-PG
TV Episode | 44 min | Documentary

NASA's Unexplained Files

Secret Aliens (Season 5, Episode 4)

TV-PG

TV Episode | 44 min | Documentary

An astronomer records an unusual radio signal from beyond the solar system. FBI agents find classified documents at the home of a NASA scientist. When scientists discover strange DNA in the octopus, they examine if their origins could be ...See moreAn astronomer records an unusual radio signal from beyond the solar system. FBI agents find classified documents at the home of a NASA scientist. When scientists discover strange DNA in the octopus, they examine if their origins could be alien. Written by Martin Gauthier See less

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Cast	+ Add Cast
8 cast members

Name	Known for
Erik Dellums Self - Narrator (as Erik Todd Dellums) Self - Narrator (as Erik Todd Dellums) See fewer	Homicide: Life on the Street (1993)
David Crimmins Self - Eyewitness Self - Eyewitness See fewer	NASA's Unexplained Files (2012)
Nick Pope Self - Defense Analyst Self - Defense Analyst See fewer	Aliens from the Abyss: The Dark Side of the UFO Phenomenon (2025)
Antonio Paris Self - Astronomer Self - Astronomer See fewer	NASA's Unexplained Files (2012)
Christopher Orwoll Self - Aerospace Historian Self - Aerospace Historian See fewer	NASA's Unexplained Files (2012)
Amy Shira Teitel Self - Space Historian and Author Self - Space Historian and Author See fewer	The Vintage Space (2012)
Del Wilber Self - L. A. Times Reporter (as Del Wilbur) Self - L. A. Times Reporter (as Del Wilbur) See fewer	Confronting a Serial Killer (2021)
Mike Baker Self - Former CIA Covert Operations Officer Self - Former CIA Covert Operations Officer See fewer	Legends (2014)