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The Best Episodes of NASA's Unexplained Files

Every episode of NASA's Unexplained Files ranked from best to worst. Let's dive into the Best Episodes of NASA's Unexplained Files!

The Best Episodes of NASA's Unexplained Files

Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each episode offers first hand...

Seasons6

  1. Background image for JFK UFO Conspiracy
    7.8/10(25 votes)

    #1 - JFK UFO Conspiracy

    S5:E1

    A declassified letter written by President Kennedy demands the CIA share its UFO data with NASA. A bizarre pattern on the surface of Mars could be a coded alien message. Investigators are shocked to find a rocket crash-landed in a crater on the Moon.

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    Director:Unknown
    Writer:Unknown
  2. Background image for Curse of the Red Planet
    7.7/10(31 votes)

    #2 - Curse of the Red Planet

    S3:E6

    Three cosmonauts die mysteriously as they re-enter Earth's atmosphere. A declassified document reveals a CIA plan to use a space disaster as a cover to start war and a NASA rover discovers clues that help solve a murder.

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    Director:Unknown
    Writer:Unknown
  3. Background image for CIA's Secret Revenge
    7.7/10(17 votes)

    #3 - CIA's Secret Revenge

    S5:E6

    When the Soviet Union unveils its own space shuttle, the CIA hatches a secret revenge plot. Recent discoveries shed new light on the destruction of Sodom and Gomorrah. A missing nuclear weapon could threaten a NASA base in the Arctic.

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    Director:Unknown
    Writer:Unknown
  4. Background image for Curse of the Gas Giant
    7.6/10(21 votes)

    #4 - Curse of the Gas Giant

    S5:E2

    Jupiter is far hotter than it should be, and scientists don't understand why. The Curiosity Rover finds something strange on Mars. Could it be a lost spacecraft or something far more sinister? Detectives turn to NASA for help with a murder cold case.

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    Director:Unknown
    Writer:Unknown
  5. Background image for The Sun's Evil Twin
    7.6/10(14 votes)

    #5 - The Sun's Evil Twin

    S5:E3

    Two suns are photographed in the Indonesia sky -- a trick of the light or a sighting of our Sun's evil twin? Scientists are baffled by ghostly swirls on the Moon's surface. An astronaut disappears during his return to Earth.

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    Director:Unknown
    Writer:Unknown
  6. Background image for The Moon's Strange Secret
    7.6/10(18 votes)

    #6 - The Moon's Strange Secret

    S5:E7

    The last humans to walk on the Moon discover something strange on the surface. A NASA scientist investigates a strange phenomenon responsible for horrific mass deaths. A landmark NASA mission threatens to destroy the reputation of an American hero.

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    Director:Unknown
    Writer:Unknown
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    The 20 WORST Episodes of NASA's Unexplained Files

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  8. Background image for Aliens vs. Stalin at Area 51
    7.6/10(24 votes)

    #7 - Aliens vs. Stalin at Area 51

    S6:E2

    When a former Area 51 insider alleges that the Roswell UFO incident was a nefarious Soviet conspiracy masterminded by Stalin, experts investigate if it was indeed an enemy plot against America -- or if the confession is just another cover-up.

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    Director:Unknown
    Writer:Unknown
  9. Background image for Red Storm Rising
    7.5/10(28 votes)

    #8 - Red Storm Rising

    S3:E7

    Two astronauts trapped in the vacuum of space face an agonizing death; the first close up images of Pluto reveal an alien landscape, and residents of Houston struggle to explain videos of unidentified flying lights captured above their city at night.

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    Director:Unknown
    Writer:Unknown
  10. Background image for Secret Aliens
    7.5/10(15 votes)

    #9 - Secret Aliens

    S5:E4

    An astronomer records an unusual signal from a distant star. 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.

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    Director:Unknown
    Writer:Unknown
  11. Background image for Saturn's Death Star
    7.3/10(17 votes)

    #10 - Saturn's Death Star

    S5:E8

    A mysterious object is orbiting Saturn, and it looks just like the Death Star. New evidence might shed new light on the mysterious death of Yuri Gagarin, the first man in space. When a cuting-edge satellite vanishes, fears of a space war escalate.

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    Director:Unknown
    Writer:Unknown
  12. Background image for Stonehenge on Mars
    7.2/10(21 votes)

    #11 - Stonehenge on Mars

    S5:E5

    When NASA spots a something on Mars that resembles Stonehenge, they investigate what could have made this strange structure. Scientists discover a mysterious hole in Saturn's rings. An ancient tribe claims contact with alien visitors.

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    Director:Unknown
    Writer:Unknown
  13. Background image for The Black Hole Next Door
    7.2/10(24 votes)

    #12 - The Black Hole Next Door

    S6:E3

    When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth, and what would happen if it ever entered our solar system.

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    Director:Unknown
    Writer:Unknown
  14. Background image for Did Aliens Nuke Mars?
    7.2/10(17 votes)

    #13 - Did Aliens Nuke Mars?

    S6:E8

    A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago. Experts investigate if an extraterrestrial Armageddon transformed an earth-like world into the wasteland we know today.

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    Director:Unknown
    Writer:Unknown
  15. Background image for Pluto Under Pressure
    7.1/10(29 votes)

    #14 - Pluto Under Pressure

    S3:E1

    Lost tapes reveal that Apollo astronauts heard unexplained transmissions on the far side of the moon, an amateur astronomer spots a strange disturbance in Martian atmosphere & an unidentified object in Earth orbit starts stalking Russian spacecraft.

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    Director:Unknown
    Writer:Unknown
  16. Background image for Black Knight Rises
    7.0/10(34 votes)

    #15 - Black Knight Rises

    S1:E4

    A chunk of the sun appears to have vanished. An ominous dark craft beneath the Space Shuttle Endeavour. Hubble spots thousands of unidentified objects traveling faster than light. Are we being watched?

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    Director:Unknown
    Writer:Unknown
  17. Background image for Nazis on the Moon
    7.0/10(25 votes)

    #16 - Nazis on the Moon

    S2:E6

    A Russian probe discovers the lunar soil was disturbed 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 a Bermuda Triangle of Space?

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    Director:Unknown
    Writer:Unknown
  18. Background image for Lethal Weapons
    7.0/10(21 votes)

    #17 - Lethal Weapons

    S2:E7

    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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    Director:Unknown
    Writer:Unknown
  19. Background image for Revenge of the Fireflies
    7.0/10(27 votes)

    #18 - Revenge of the Fireflies

    S2:E8

    Something in space is attacking the brains of astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies? Who is responsible for the bizarre glowing spiral in the skies over Norway?

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    Director:Unknown
    Writer:Unknown
  20. Background image for Ghosts on a Comet
    7.0/10(25 votes)

    #19 - Ghosts on a Comet

    S3:E4

    When a Chinese moon rover breaks down, a NASA scientist points to a mysterious material that seemed to sabotage the Apollo missions, decades earlier. The Rosetta spacecraft finds a comet that appears to be singing.

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    Director:Unknown
    Writer:Unknown
  21. Background image for The Moon that Disappeared
    7.0/10(25 votes)

    #20 - The Moon that Disappeared

    S3:E5

    Recently discovered documents reveal NASA's secret plan B for failure of the first moon landing, a Soyuz capsule carrying astronaut Peggy Whitson back to Earth vanishes without explanation and NASA’s Cassini mission unravels a three hundred year old.

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    Director:Unknown
    Writer:Unknown
  22. Background image for Attack of the Thunderballs
    7.0/10(24 votes)

    #21 - Attack of the Thunderballs

    S3:E8

    Astronauts are evacuated when a mystery object is discovered hurtling towards the ISS, a NASA secret agent goes undercover to recover missing moon rocks & scientists struggle to find answers when they find a huge void at the edge of the solar system.

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    Director:Unknown
    Writer:Unknown
  23. Background image for Pluto's Evil Twin
    7.0/10(20 votes)

    #22 - Pluto's Evil Twin

    S6:E4

    After NASA's New Horizons spacecraft flies by Pluto, it encounters a strange alien world that shuts down the probe's computers, and experts investigate if this mysterious object is an alien spacecraft hiding at the edge of our solar system.

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    Director:Unknown
    Writer:Unknown
  24. Background image for Shadow Deathstar
    6.9/10(17 votes)

    #23 - Shadow Deathstar

    S1:E2

    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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    Director:Unknown
    Writer:Unknown
  25. Background image for Ghosts on the Moon
    6.9/10(14 votes)

    #24 - Ghosts on the Moon

    S1:E6

    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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    Director:Unknown
    Writer:Unknown
  26. Background image for Mystery Space Squid
    6.9/10(10 votes)

    #25 - Mystery Space Squid

    S1:E7

    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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    Director:Unknown
    Writer:Unknown

Best Episodes Summary

"JFK UFO Conspiracy" is the best rated episode of "NASA's Unexplained Files". It scored 7.8/10 based on 25 votes. Directed by Unknown and written by Unknown, it aired on 4/12/2017. This episode scored 0.1 points higher than the second highest rated, "Curse of the Red Planet".