NASA's Unexplained Files Season 6 Episode 2
Aliens vs. Stalin at Area 51
When a former Area 51 insider alleges that the Roswell UFO incident was a nefarious Soviet conspiracy masterminded by Stalin, experts investigate if it was indeed an enemy plot against America -- or if the confession is just another cover-up.
6 - 8Did Aliens Nuke Mars?May. 23, 2019- 6 - 7Planet of the Metal AliensMay. 16, 2019
- 6 - 6Secrets of the Alien SignalsMay. 16, 2019
- 6 - 5Aliens in the AmazonMay. 09, 2019
- 6 - 4Pluto's Evil TwinMay. 02, 2019
- 6 - 3The Black Hole Next DoorApr. 25, 2019
- 6 - 2Aliens vs. Stalin at Area 51Apr. 18, 2019
- 6 - 1Saturn's Moon MonstersApr. 11, 2019
