Browse episode ratings trends for Killers of the Cosmos. Simply click on the interactive rating graph to explore the best and worst of Killers of the Cosmos's 6 episodes.
Best Episodes of Killers of the Cosmos
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Worst Episodes of Killers of the Cosmos
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Killers of the Cosmos Episode Guide
Killer Rocks
S1 Ep1
11th Sep 2021
Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the dinosaurs. Could it happen again?
Death Ray
S1 Ep2
18th Sep 2021
When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of this event occurring?
Cosmic Scrap
S1 Ep3
25th Sep 2021
More than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these objects in low Earth orbit could be catastrophic.
Little Green Men
S1 Ep4
2nd Oct 2021
Aliens could be lethal killers who want to invade and plunder our world. A team of experts investigate extra-terrestrial beings and their threat to human life.
Dark Star
S1 Ep5
9th Oct 2021
Black holes were only theoretical until recently. And there are probably millions of them in the galaxy. Worse still, some are rogue, speeding through space with the potential to be lethal to Earth.
Big Sleep
S1 Ep6
16th Oct 2021
How will the universe end? Experts discuss the many possible ways that could spark the beginning of the end for the universe including when and why it would happen.
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The first episode of Killers of the Cosmos aired on September 11, 2021.
The last episode of Killers of the Cosmos aired on October 16, 2021.
