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The Best Episodes of NASA's Unexplained Files Season 6

Every episode of NASA's Unexplained Files Season 6 ranked from best to worst. Discover the Best Episodes of NASA's Unexplained Files Season 6!

Binge this in 4h 0m•Peaking at 7.7/10

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 testimony from astronauts, NASA mission footage, plus beautifully rendered CGI

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Episode Rankings

  1. #1 Fan Favorite
    NASA's Unexplained Files Season 6 Episode 1 - Saturn's Moon Monsters
    6.8/10(24 votes)

    #1 - Saturn's Moon Monsters

    S6:E1

    When NASA discovers something strange on Saturn's biggest moon, experts investigate if aliens feeding on the electric atmosphere could be the culprit. The disturbing evidence points to a grisly apocalypse if these monsters ever make it to Earth.

    Director:Unknown
    Writer:Unknown

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  2. NASA's Unexplained Files Season 6 Episode 2 - Aliens vs. Stalin at Area 51
    7.7/10(25 votes)

    #2 - 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.

    Director:Unknown
    Writer:Unknown

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  3. NASA's Unexplained Files Season 6 Episode 3 - The Black Hole Next Door
    7.2/10(26 votes)

    #3 - 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.

    Director:Unknown
    Writer:Unknown

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  4. NASA's Unexplained Files Season 6 Episode 4 - Pluto's Evil Twin
    7.0/10(22 votes)

    #4 - 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.

    Director:Unknown
    Writer:Unknown

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  5. NASA's Unexplained Files Season 6 Episode 5 - Aliens in the Amazon
    6.9/10(24 votes)