Season 6 · Episode 4
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Pluto's Evil Twin
Thu, May 2, 2019
·
42 min
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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Thu, May 2, 2019
42 min
Show
NASA's Unexplained Files
47 episodes
Episode
S6 · E4
in NASA's Unexplained Files
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S6 · E5
Aliens in the Amazon
Thu, May 9, 2019