Killers of the Cosmos (2021)

Documentary · Drama

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.

IMDb rating: 7.2 (205 votes)
Episode average: 7.8 +0.6 vs IMDb
Seasons: 1
Streaming (US): HBO Max
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

Browse shows by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Oct 3, 2026 · 1 season indexed

Cast

Aidan Gillen

Seasons

Season 1 (2021)

7.77 avg 6 episodes 7.3 → 8.4 43 min avg

Big finale

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Case of the Killer Rocks	7.3	32
2	Death Ray	7.9	26
3	Cosmic Scrap	8.2	22
4	Little Green Men	7.0	25
5	Dark Star	7.8	21
6	Big Sleep	8.4	20