When did NASA's Unexplained Files Season 5 Episode 1 air?
NASA's Unexplained Files Season 5 Episode 1 aired on April 12, 2017.


Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each episode offers first hand testimony from astronauts, NASA mission footage, plus beautifully rendered CGI to bring to life these voyages that reveal unexplained sightings that have dogged many of NASA’s most famous missions.

A declassified letter written by President Kennedy demands the CIA share its UFO data with NASA. A bizarre pattern on the surface of Mars could be a coded alien message. Investigators are shocked to find a rocket crash-landed in a crater on the Moon.
Direct answers for episode-level questions and details.
NASA's Unexplained Files Season 5 Episode 1 aired on April 12, 2017.
This episode runs for approximately 60 minutes.
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