Season 4 · Episode 7
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Mystery of the Invisible Planet
Tue, Oct 11, 2016
·
42 min
A probe carrying a message to aliens malfunctions as it enters deep space. A NASA mission goes disastrously wrong when an imposter breaches Mission Control. Astronomers may have found an invisible planet around a distant star.
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Airs
Tue, Oct 11, 2016
42 min
Show
NASA's Unexplained Files
47 episodes
Episode
S4 · E7
in NASA's Unexplained Files
Up next
S4 · E8
Mars's Deepest Secret
Tue, Oct 18, 2016