NASA's Unexplained Files
Presenting firsthand accounts from NASA astronauts and scientists who have witnessed the mysterious, the impossible and the strange. Can these phenomena be explained through science and detective work?

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Season 3
  • {S}03.{E}08: Attack Of The Thunderballs
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    S03.E08: Attack Of The Thunderballs

    Astronauts are evacuated when a mystery object is discovered hurtling towards the ISS. Plus, a secret agent goes undercover to recover missing moon rocks.
    Duration: 42 Min
    Watch Until: 12/12/2018