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Watch NASA's Unexplained Files Season 4 Episode 5 Online

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

Two cosmonauts fight for their lives while trapped inside a capsule in a frozen lake. A NASA scientist investigates the deadly Nazi secret that doomed the Hindenburg. NASA astronomers are spooked when the full moon starts affecting their experiments.