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Watch NASA's Unexplained Files

NASA's Unexplained Files

imdb logo6.8/10
Documentaryall2012 - Present5 SeasonsReturning: Date TBATags:Conspiracy

For centuries, mankind has looked to the skies and wondered, "are we alone in the universe?" In one month SCIENCE partners with TED and SETI Institute (Search for Extraterrestrial Intelligence), to enlist like-minded individuals everywhere to tackle this defining question with ARE WE ALONE?, a breakthrough multimedia initiative. ARE WE ALONE? is timed to support a major new resource called SETI Live which will empower and mobilize "citizen scientists" from all walks of life to join the search for extraterrestrial intelligence.

Where to Watch NASA's Unexplained Files

49 Episodes

Where to stream every episode from all 5 seasons of NASA's Unexplained Files. Filter these episodes by what's available to watch free or on your streaming services using the tabs above.

Season 1

Destination Unknown | Science | Rent or Buy
Season 01, Episode 01 Pilot

S01 E01

Mar 3, 2014
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Pilot Mar 3, 2014 Strange flying objects have been caught on NASA’s cameras and astronauts have reported seeing UFOs. Some of the odd shapes and lights can be identified; others remain a mystery. We’ll reveal NASA footage and interview the astronauts and scientists.

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Season 01, Episode 02 Shadow Deathstar

S01 E02

Mar 7, 2014
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Shadow Deathstar Mar 7, 2014 Astronaut Leroy Chao’s spacewalk is interrupted by bright lights flying past. A flying saucer photographed from the Apollo capsule, dark shapes caught on camera shadowing the shuttle. The ideas are science fiction, but the incidents are science fact.

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Season 01, Episode 03 Alien Death Ray

S01 E03

Mar 12, 2014
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Alien Death Ray Mar 12, 2014 The Viking Lander may have found life on Mars, so why don’t we know about it? What is the most destructive force in the universe? How could a Starship be spotted in the Aurora Borealis? And what are NASA’s mysterious Moon Pigeons?

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Season 01, Episode 04 Black Knight Rises

S01 E04

Mar 19, 2014
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Black Knight Rises Mar 19, 2014 A chunk of the sun appears to have vanished. An ominous dark craft beneath the Shuttle Endeavour. Hubble spots thousands of unidentified objects traveling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

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Season 01, Episode 05 Episode 5

S01 E05

Jul 21, 2014
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Episode 5 Jul 21, 2014 Could spaceships be powered by atomic bombs? Can artificial rings encircle an entire star? why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon? And how can lightning talk to itself?

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Season 01, Episode 06 Episode 6

S01 E06

Jul 25, 2014
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Episode 6 Jul 25, 2014 What could make a NASA astronaut report seeing a flying saucer in the skies above a US Air Force test range? How have the swirling gases of Saturn formed a perfect Hexagon that has hovered above the planet's pole for 30 years?

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Season 01, Episode 07 Mystery Space Squid

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Jul 25, 2014
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Mystery Space Squid Jul 25, 2014 What could make a NASA astronaut report seeing a flying saucer in the skies above a US Air Force test range? How have the swirling gases of Saturn formed a perfect Hexagon that has hovered above the planet’s pole for 30 years?

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Season 2

Destination Unknown | Science | Rent or Buy
Season 02, Episode 01 Life in Hell

S02 E01

Mar 3, 2015
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Life in Hell Mar 3, 2015 A UFO crashes in Pennsylvania. Was it a secret Soviet satellite or something far more dangerous? On Mercury, NASA finds the impossible: frozen water. A strange object causes a skyscraper-sized shadow on the surface of Mars's largest moon. What is it?

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Season 02, Episode 02 Top Secret Terror

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Mar 5, 2015
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Top Secret Terror Mar 5, 2015 Was the Moon landing faked? Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation or something much more ominous? A classified space shuttle mission ends in near-disaster. What was its mission?

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Season 02, Episode 03 Hammer of Thor

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Apr 23, 2014
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Hammer of Thor Apr 23, 2014 Are burning lights in the skies above Nevada & Utah signs of a secret space weapons project? What are the mysterious trails on the lunar surface near the Apollo landing sites? Does a strange space object spell disaster for the space shuttle crew?

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Season 02, Episode 04 Spacewalk of Doom

S02 E04

Apr 30, 2015
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Spacewalk of Doom Apr 30, 2015 An astronaut on a spacewalk begins to drown. How could this terrifying event happen? Have NASA scientists discovered an asteroid that was converted into a spacecraft? What are the strange objects spotted when NASA sends a secret payload into space?

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Season 02, Episode 05 Black Knight Rises

S02 E05

May 7, 2015
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Black Knight Rises May 7, 2015 Could NASA really be responsible for a nuclear explosion on Jupiter? Could new evidence finally reveal the truth behind the mystery of the iconic face on Mars? What unknown force crashed a spacecraft from the Apollo program into the lunar surface?

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Season 02, Episode 06 Nazis on the Moon

S02 E06

May 14, 2015
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Nazis on the Moon May 14, 2015 A Russian probe discovers something has disturbed the lunar soil before the US or USSR got there. Did Nazis arrive first? Have scientists detected a laser signal from a planet capable of supporting life? Is there really a Bermuda Triangle of Space?

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Season 02, Episode 07 Lethal Weapons

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May 21, 2015
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Lethal Weapons May 21, 2015 How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms? What mysterious force is smashing a near-earth asteroid to pieces?

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