NASA's Unexplained Files - Season 6 - Eps 5: Aliens in the Amazon
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.
About NASA's Unexplained Files

Title: NASA's Unexplained Files
First Air Date: 2012-03-27
Last Air Date: 2019-05-23
Status: Returning Series
Rating: 7/10 (from 30 votes)
Language: EN
Seasons: 6
Total Episodes: 47
Network: Science
Genres: Documentary, Talk, Mystery
Production Companies: Discovery, Wag TV
Synopsis
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.