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NASA's Unexplained Files

Pluto Under Pressure

Season 3 Episode 1
Lost tapes reveal that Apollo astronauts heard unexplained transmissions on the far side of the moon, an amateur astronomer spots a strange disturbance in Martian atmosphere & an unidentified object in Earth orbit starts stalking Russian spacecraft.
  • 44 min
  • TV-PG
  • Premiered 02/23/2016