NASA's Unexplained Files

NASA's Unexplained Files Series
Premiere: 2012
Sessons: 6
Full Episodes: 138
Watch Stream Online:
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Full Show Summary

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.
NASA's Unexplained Files S06E09
Last Episode, 06 June 2019: Season 6, Episode 9: Episode 9
  • Episode Guide
  • Cast
Date Aired NASA's Unexplained Files Episodes
Season 1
02 March 2014 Season 1, Episode 1: International Space Station- 2005-03-28
06 March 2014 Season 1, Episode 2: Alien Death Ray
11 March 2014 Season 1, Episode 3: Black Knight Rises
18 March 2014 Season 1, Episode 4: Interstellar Gold Rush
20 July 2014 Season 1, Episode 5: US UFO & The Saturn Mega Hex
24 July 2014 Season 1, Episode 6: The Aristarchus Enigma & Martian Space Station
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Season 2
02 March 2015 Season 2, Episode 1: Life in Hell
04 March 2015 Season 2, Episode 2: Top Secret Terror
22 April 2014 Season 2, Episode 3: Hammer of Thor
29 April 2015 Season 2, Episode 4: Spacewalk of Doom
06 May 2015 Season 2, Episode 5: Did We Nuke Jupiter?
13 May 2015 Season 2, Episode 6: Nazis on the Moon
20 May 2015 Season 2, Episode 7: Lethal Weapons
27 May 2015 Season 2, Episode 8: Revenge of the Fireflies
01 March 2016 Season 2, Episode 10: Return of the Moon Bugs
08 March 2016 Season 2, Episode 11: TBA
Season 3
23 February 2016 Season 3, Episode 1: Pluto Under Pressure
01 March 2016 Season 3, Episode 2: Return of the Moon Bugs
08 March 2016 Season 3, Episode 3: Rise of the Ice Creatures
15 March 2016 Season 3, Episode 4: Ghosts on a Comet
22 March 2016 Season 3, Episode 5: The Moon that Disappeared
29 March 2016 Season 3, Episode 6: Curse of the Red Planet
05 April 2016 Season 3, Episode 7: Red Storm Rising
12 April 2016 Season 3, Episode 8: Attack of the Thunderballs
17 May 2016 Season 3, Episode 9: Space's Deadliest Moments
24 May 2016 Season 3, Episode 10: The Moon's Greatest Mysteries
31 May 2016 Season 3, Episode 11: Space Station of Doom
07 June 2016 Season 3, Episode 12: When the Universe Attacks
14 June 2016 Season 3, Episode 13: Mars's Strangest Secrets
21 June 2016 Season 3, Episode 14: Horror in the Cosmos
Season 4
30 August 2016 Season 4, Episode 1: Pluto's Stranger Things
06 September 2016 Season 4, Episode 2: Rise of the Planet Killer
13 September 2016 Season 4, Episode 3: A President's Close Encounter
20 September 2016 Season 4, Episode 4: The Earth Next Door
27 September 2016 Season 4, Episode 5: Curse of the Full Moon
04 October 2016 Season 4, Episode 6: Did Earth Have Two Moons?
11 October 2016 Season 4, Episode 7: Mystery of the Invisible Planet
18 October 2016 Season 4, Episode 8: Mars's Deepest Secret
Season 5
12 April 2017 Season 5, Episode 1: JFK UFO Conspiracy
19 April 2017 Season 5, Episode 2: Curse of the Gas Giant
26 April 2017 Season 5, Episode 3: The Sun's Evil Twin
03 May 2017 Season 5, Episode 4: Secret Aliens
10 May 2017 Season 5, Episode 5: Stonehenge on Mars
27 January 2018 Season 5, Episode 6: CIA's Secret Revenge
03 February 2018 Season 5, Episode 7: The Moons Strange Secret
10 February 2018 Season 5, Episode 8: Saturn's Death Star
Season 6
11 April 2019 Season 6, Episode 1: Saturn's Moon Monsters
18 April 2019 Season 6, Episode 2: Aliens vs. Stalin at Area 51
25 April 2019 Season 6, Episode 3: The Black Hole Next Door
02 May 2019 Season 6, Episode 4: Pluto's Evil Twin
09 May 2019 Season 6, Episode 5: Aliens in the Amazon
16 May 2019 Season 6, Episode 6: Secrets of the Alien Signals
23 May 2019 Season 6, Episode 7: Planet of the Metal Aliens
30 May 2019 Season 6, Episode 8: Did Aliens Nuke Mars?
06 June 2019 Season 6, Episode 9: Episode 9