NASA's Unexplained Files - Full Series Information, Trailer & IMDb Reviews
NASA's Unexplained Files Season 4 Episode 7
Episode Title: Mystery of the Invisible Planet
Countries:
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Airing Date: October 11, 2016
Runtime:60 mins
IMDb Rating:
Watch NASA's Unexplained Files Season 4 Episode 7 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
A probe carrying a message to aliens mysteriously malfunctions as it enters deep space. A NASA mission goes disastrously wrong when an imposter breaches Mission Control. Astronomers find evidence of an invisible planet in a distant solar system.