When did NASA's Unexplained Files Season 5 Episode 2 air?
NASA's Unexplained Files Season 5 Episode 2 aired on April 19, 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.

Jupiter is far hotter than it should be, and scientists don't understand why. The Curiosity Rover finds something strange on Mars. Could it be a lost spacecraft or something far more sinister? Detectives turn to NASA for help with a murder cold case.
Direct answers for episode-level questions and details.
NASA's Unexplained Files Season 5 Episode 2 aired on April 19, 2017.
This episode runs for approximately 60 minutes.
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