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Season 1
Episode 1:
Killer Rocks
Episode 2:
Death Ray
Episode 3:
Cosmic Scrap
Episode 4:
Little Green Men
Episode 5:
Dark Star
Episode 6:
Big Sleep
Watch Killers of the Cosmos Season 1 Episode 4 Online for Free
Overview:
A mysterious informant investigates each disaster-in-the-making via a wide range of experts who've studied some of science's most unbelievable wonders.