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 full movie online free in HD with English subtitles – no download needed.
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.