When did NASA's Unexplained Files Season 6 Episode 5 air?
NASA's Unexplained Files Season 6 Episode 5 aired on May 9, 2019.


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.

After Neil Armstrong's moonwalk, he led an expedition to the Amazon to find a legendary library that holds all knowledge of an advanced alien civilization. Experts ask if a close encounter on the moon's surface inspired Armstrong's mysterious quest.
Direct answers for episode-level questions and details.
NASA's Unexplained Files Season 6 Episode 5 aired on May 9, 2019.
Runtime information for this episode is not available yet.
Comments coming soon
Discuss episodes with other viewers