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Where to watch "Killers of the Cosmos"
6. Big Sleep
No release date yet
Everything comes to an end, even a universe. So, how will it all end?
Discovery+
5. Little Green Men
No release date yet
Aliens could be lethal killers who want to invade and plunder Earth.
4. Cosmic Scrap
No release date yet
A collision of space debris could cause a global communication meltdown.
3. Death Ray
No release date yet
Radiation from a massive star's death could obliterate life on Earth.
2. Dark Star
No release date yet
Black holes are speeding through space and could be lethal to Earth.
1. Killer Rocks
No release date yet
A single rock wiped out the dinosaurs -- does the same fate await humans?
