NASA's Unexplained Files Season 6 Episode 7
Planet of the Metal Aliens
Experts investigate if a nearby exoplanet could be the home to a alien civilization of strange, metallic monsters, after a new discovery confirms that life can thrive on such a strange world.
- 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