Season 6 Episodes8
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6.7
Planet of the Metal Aliens
6.7/10 · 26 votesMay 16, 201960 min
Ranked #8 of 8 in Season 6•−0.4 vs season avg
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.
Seasons6
Episode Summary
"Planet of the Metal Aliens" is episode 7 of NASA's Unexplained Files season 6. It scored 6.7/10 from 26 votes, ranking #8 of 8 episodes this season (season average 7.1). It aired on May 16, 2019.