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Killers of the Cosmos

Season 1 Episode 4: Little Green Men

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.

Season 1 Episodes:

Episode 2 Death Ray

2. Death Ray

Aired: Sep 18, 2021

When a massive star dies it can direct a blast of radiation that would oblite...

Episode 3 Cosmic Scrap

3. Cosmic Scrap

Aired: Sep 25, 2021

More than 100 million pieces of small space debris are floating around the Ea...

Episode 4 Little Green Men

4. Little Green Men

Aired: Oct 2, 2021

Aliens could be lethal killers who want to invade and plunder our world. A te...

Episode 5 Dark Star

5. Dark Star

Aired: Oct 9, 2021

Black holes were only theoretical until recently. And there are probably mill...

Episode 6 Big Sleep

6. Big Sleep

Aired: Oct 16, 2021

How will the universe end? Experts discuss the many possible ways that could ...

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Info about Killers of the Cosmos

Current Status: Ended

Network: Discovery

Production Countries: United Kingdom, United States

Genres:Drama, Documentary

Killers of the Cosmos: Where to Watch Online in United States?

Currently you are able to watch "Killers of the Cosmos" streaming on Science GO, Spectrum On Demand. It is also possible to rent or buy on AppleTV, Amazon, VUDU online.