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Watch NASA's Unexplained Files Season 4 Episode 3 Online

  • 6.983/10
  • COUNTRIES: United States of America,United Kingdom,India
  • Subtitles: English

Geysers are discovered on a frozen moon, and NASA redirects a probe on a daring mission to detect evidence of life. An unidentified object is spotted approaching a near-earth asteroid. A future president is an eyewitness to a UFO.