NASA's Unexplained Files

Countless mysterious objects have been spotted in the sky and many astronauts have reported seeing UFOs. NASA's Unexplained Files reveals groundbreaking footage and interviews from both astronauts and scientists to explore the idea that there could be life outside of our planet.

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Previous Episodes

Episode NameAirdateTrailer
5x05: Stonehenge on MarsMay 10, 2017
5x04: Earth's Secret AliensMay 3, 2017
5x03: The Sun's Evil TwinApr 29, 2017
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