My Sister's Serial Killer Boyfriend (2023)
Maddie, a local reporter investigating a series of killings targeting similar looking women is caught off guard when her younger sister Olivia, is attacked in her own home. Urging on the side of caution, Maddie suggests they take a self-defense course. When Olivia starts to fall for their instructor, Maddie becomes skeptical when he refuses to reveal anything about himself, and tries to intervene before the relationship turns into a deadly obsession.
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Links to watch My Sister's Serial Killer Boyfriend for free (full movie):
| Website | Countries | Offers | Added | User | Views | Quality | Format | IMDb Rating | Link |
|---|---|---|---|---|---|---|---|---|---|
| Flixano | ALL | - | 20 Mar 2025 | flixano | 25,062 | HD | Watch Online | 92% | Watch Now |
| MyFlix123 | ALL | - | 05 Jul 2023 | myflix123 | 2,261 | HD | Watch Online | 58% | |
| Amazon Prime | UK | 30-Day Free Trial | 20 Mar 2025 | amzprime | 18,618 | HD | Watch Online | 85% | |
| Popcorn Time | ALL | 30-Day Free Trial | 20 Mar 2025 | popcorn_time | 30,033 | HD | Watch Online | 86% | Watch Now |
| My Movie Pass | ALL | - | 23 Feb 2025 | mymoviepass | 2,661 | HD | Watch Online | 50% | |
| Now TV | UK | 14-Day Free Trial | 17 Nov 2023 | nowtv | 9,153 | HD | Watch Online | 70% | |
| Videostripe | ALL | 7-Day Free Trial | 28 Feb 2026 | videostripe | 4,563 | HD | Watch Online | 78% | |
| Cinematrix | ALL | 7-Day Free Trial | 27 Jan 2026 | cinematrix | 6,088 | HD | Watch Online | 63% |
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Also known as:
- (DE) My Sister's Serial Killer Boyfriend
- (EN) My Sister's Serial Killer Boyfriend
- (ES) My Sister's Serial Killer Boyfriend
- (FR) Rencontre avec un serial killer
- (US) Sister Obsession
Tagged as:
Filmmakers
- Jasi Cotton LanierStunt Coordinator
- Danny J. BoyleDirector
- Andrea ShawcrossWriter
- Bryan DickWriter
- Ken SandersProducer
- Elle SunkaraCo-Producer
- Elle SunkaraLine Producer
- Joseph WilkaCo-Producer
- Timothy O. JohnsonExecutive Producer
- Sheri ReevesCo-Executive Producer
- Steve GurevitchOriginal Music Composer
- Robert VardarosDirector of Photography
- Andrew HarwoodEditor
- Jeff HardwickCasting
- Jason CronburgProduction Design
- Jeremiah MannSet Decoration
- Taylor JonesCostume Design
- Melody KellyHairstylist
- Dana KellyHair Department Head
- Cheridan SmithMakeup Artist
