NASA's Unexplained Files

Season 6 Episode 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.

Genre:

Documentary, Talk, Mystery

Seasons:

6

Episodes:

47

Quality:

HD

Status:

Returning Series

First Air:

2012

IMDb:

7.1