S4 E7
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
Saturn's Moon Monsters
Episode
2
Aliens vs. Stalin at Area 51
Episode
3
The Black Hole Next Door
Episode
4
Pluto's Evil Twin
Episode
5
Aliens in the Amazon
Episode
6
Secrets of the Alien Signals
Episode
7
Planet of the Metal Aliens
Episode
8