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Killers of the Cosmos

Space inspires awe and wonder, but it also can be scary... and lethal. Supermassive black holes, deadly gamma-ray bursts, rogue asteroids, dark energy, supernovas... Our world is under attack from above. It's like a ticking time bomb. Killers of the Cosmos takes a film-noir approach to these threats, mixing scripted, animated drama with top experts in the fields of astronomy, astrophysics, biology, cosmology, and planetary science.

Aidan Gillen steps in as our gumshoe detective. In each episode, he's got a case to solve, with a different killer to identify and track down. But first, he needs evidence. Aided by a mysterious informant, he investigates each disaster-in-the-making via a wide range of experts who've studied some of science's most unbelievable wonders. 

Show Info

Web channel: discovery+ (2021 - now)
Schedule: Sundays (60 min)
Status: Running
Show Type: Documentary

Official site:

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Previous Episode

Big Sleep

Episode 1x06; Oct 24, 2021

Experts discuss the many possible ways that could spark the beginning of the end for the universe, including when and why it would happen.

Previous Episodes

Episode NameAirdateTrailer
1x06: Big SleepOct 24, 2021
1x05: Dark StarOct 17, 2021
1x04: Little Green MenOct 10, 2021
View full episode list »


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