Unknown Serial Killers of America poster

Unknown Serial Killers of America (2025)

Crime

Explores the chilling cases of lesser-known serial killers whose crimes went unnoticed for years, leaving a trail of fear and unsolved murders before they were finally caught.

IMDb rating: 7.4 (100 votes)
Seasons: 1
Streaming (US): YouTube TV · OXYGEN · Fandango at Home Free · Spectrum On Demand
Language: EN
Type: TV series

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Ratings refreshed Jul 3, 2026 · 1 season indexed

Seasons

Season 1 (2025)

7.30 avg 6 episodes 7.4 → 7.8 42 min avg

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Carl Watts	7.4	15
2	William Suff	7.0	14
3	Daniel Conahan	7.0	12
4	Terry Rasmussen	7.1	11
5	Maury Travis	7.5	13
6	Herb Baumeister	7.8	10