NASA's Unexplained Files
- Series
- Documentary & Factual
- PG
S4 E5: Planet of the Metal Aliens
Experts investigate if a nearby exoplanet could be the home to an alien civilization after a new discovery confirms that life can thrive on such a world. (2019)
Airing
20 Jul, 22:30 - 23:30
21 Jul, 2:30 - 3:30
21 Jul, 10:00 - 11:00
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