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If you liked

Dexter: Original Sin

2024–2025 · 1 season · Paramount+ with Showtime

New and upcoming (2026 and later)

Out this year, or not out yet.

Memory of a Killer

2026 · 1 season · FOX
HulufuboTVYouTube TV
Spider-NoirSpider-NoirI Will Find YouI Will Find YouDetective HoleDetective HoleM.I.A.M.I.A.The HuntThe Hunt56 Days56 DaysNocturneNocturne

The last five years (2021 to 2025)

Current, and all of it watchable now.

Copycat Killer

2023 · 1 season · Netflix
serial killer
NetflixNetflix Standard with Ads
Light the NightLight the NightBlack BirdBlack BirdDark WindsDark Winds50M²50M²Tokyo ViceTokyo ViceThe Long SeasonThe Long SeasonThe Price of ConfessionThe Price of Confession

Five to fifteen years back (2011 to 2020)

Recent enough that everyone can still find it, old enough to be finished.

You

2018–2025 · 5 seasons · Lifetime
serial killer
NetflixNetflix Standard with Ads
Sacred GamesSacred GamesHannibalHannibalDefending JacobDefending JacobBabylon BerlinBabylon BerlinDay and NightDay and NightBates MotelBates MotelRatchedRatched

Older than fifteen years (before 2011)

The back catalogue, where the closest match often is.

Dexter

2006–2013 · 8 seasons · Showtime
miami, floridaadmiringserial killer
fuboTVParamount Plus PremiumParamount Plus Apple TV Channel
Breaking BadBreaking BadMillenniumMillenniumBangkok HiltonBangkok HiltonHuman TraffickingHuman TraffickingTwin PeaksTwin PeaksSherlockSherlockWallanderWallander

Want this tuned to you?

Name three shows you loved and it ranks the whole catalogue against your taste rather than against one title.

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