Season 4 · Episode 1
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Pluto's Stranger Things
Tue, Aug 30, 2016
·
42 min
Astronomers find evidence for incredible alien technology around a distant star. The first pictures of Pluto may show something moving across its surface. Apollo astronauts see something they can't explain as they approach the Moon.
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Airs
Tue, Aug 30, 2016
42 min
Show
NASA's Unexplained Files
47 episodes
Episode
S4 · E1
in NASA's Unexplained Files
Up next
S4 · E2
Rise of the Planet Killer
Tue, Sep 6, 2016