NASA's Unexplained Files
S4 E7
5/9/19
Aliens in the Amazon
After Neil Armstrong's moonwalk, he led an expedition into 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.
Seasons
Episode
1
Pluto's Evil Twin
Episode
2
The Black Hole Next Door
Episode
3
Aliens vs. Stalin at Area 51
Episode
5
Planet of the Metal Aliens
Episode
7
Aliens in the Amazon
Episode
8