Ended · 2014–2019

NASA's Unexplained Files

Countless mysterious objects have been spotted in the sky and many astronauts have reported seeing UFOs. NASA's Unexplained Files reveals groundbreaking footage and interviews from both astronauts and scientists to explore the idea that there could be life outside of our planet.

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Seasons & episodes

Season 1 · 7 episodes

S01 E01 · Shadow Deathstar2014-03-02
S01 E02 · Alien Death Ray2014-03-06
S01 E03 · Black Knight Rises2014-03-11
S01 E04 · Interstellar Gold Rush2014-03-18
S01 E05 · Ghosts on the Moon2014-07-20
S01 E06 · Mystery Space Squid2014-07-24
S01 Special · Pilot2012-03-27

Season 2 · 8 episodes

S02 E01 · Life in Hell2015-03-02
S02 E02 · Top Secret Terror2015-03-04
S02 E03 · Hammer of Thor2014-04-22
S02 E04 · Spacewalk of Doom2015-04-29
S02 E05 · Did We Nuke Jupiter?2015-05-06
S02 E06 · Nazis on the Moon2015-05-13
S02 E07 · Lethal Weapons2015-05-20
S02 E08 · Revenge of the Fireflies2015-05-27

Season 3 · 14 episodes

S03 E01 · Pluto Under Pressure2016-02-23
S03 E02 · Return of the Moon Bugs2016-03-01
S03 E03 · Rise of the Ice Creatures2016-03-08
S03 E04 · Ghosts on a Comet2016-03-15
S03 E05 · The Moon That Disappeared2016-03-22
S03 E06 · Curse of the Red Planet2016-03-29
S03 E07 · Red Storm Rising2016-04-05
S03 E08 · Attack of the Thunderballs2016-04-12
S03 Special · Space's Deadliest Moments2016-05-17
S03 Special · The Moon's Greatest Mysteries2016-05-24
S03 Special · Space Station of Doom2016-05-31
S03 Special · When the Universe Attacks2016-06-07
S03 Special · Mars's Strangest Secrets2016-06-14
S03 Special · Horror in the Cosmos2016-06-21

Season 4 · 10 episodes

S04 E01 · Pluto's Stranger Things2016-08-30
S04 E02 · Rise of the Planet Killer2016-09-06
S04 E03 · A President's Close Encounter2016-09-13
S04 E04 · The Earth Next Door2016-09-20
S04 E05 · Curse of the Full Moon2016-09-27
S04 E06 · Did Earth Have Two Moons?2016-10-04
S04 E07 · Mystery of the Invisible Planet2016-10-11
S04 E08 · Mars's Deepest Secret2016-10-18
S04 Special · Moon Mystery Special2017-04-05
S04 Special · Mars Mystery Special2017-04-05

Season 5 · 10 episodes

S05 E01 · JFK UFO Conspiracy2017-04-12
S05 E02 · Curse of the Gas Giant2017-04-19
S05 E03 · The Sun's Evil Twin2018-01-06
S05 E04 · Secret Aliens2018-01-13
S05 E05 · Stonehenge on Mars2018-01-20
S05 E06 · CIA's Secret Revenge2018-01-27
S05 E07 · The Moons Strange Secret2018-02-03
S05 E08 · Saturn's Death Star2018-02-10
S05 Special · Astronaut Mystery Special2017-04-12
S05 Special · Cosmic Mystery Special2017-04-19

Season 6 · 8 episodes

S06 E01 · Saturn's Moon Monsters2019-04-11
S06 E02 · Aliens vs. Stalin at Area 512019-04-18
S06 E03 · The Black Hole Next Door2019-04-25
S06 E04 · Pluto's Evil Twin2019-05-02
S06 E05 · Aliens in the Amazon2019-05-09
S06 E06 · Secrets of the Alien Signals2019-05-16
S06 E07 · Planet of the Metal Aliens2019-05-23
S06 E08 · Did Aliens Nuke Mars?2019-05-30

TV data from TVmaze under CC BY-SA. Air dates follow the original broadcaster and may change.