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 |
|---|---|---|---|---|---|---|---|---|---|
| Cinematrix | ALL | 7-Day Free Trial | 12 Jul 2024 | cinematrix | 6,088 | HD | Watch Online | 63% | |
| Videostripe | ALL | 7-Day Free Trial | 09 May 2025 | videostripe | 4,563 | HD | Watch Online | 78% | |
| Now TV | UK | 14-Day Free Trial | 18 Jul 2026 | nowtv | 9,153 | HD | Watch Online | 70% | |
| MyFlix123 | ALL | - | 20 Feb 2026 | myflix123 | 2,261 | HD | Watch Online | 58% | |
| My Movie Pass | ALL | - | 09 Apr 2026 | mymoviepass | 2,661 | HD | Watch Online | 50% | |
| Popcorn Time | ALL | 30-Day Free Trial | 30 Oct 2024 | popcorn_time | 30,033 | HD | Watch Online | 86% | Watch Now |
| Flixano | ALL | - | 30 Oct 2024 | flixano | 25,062 | HD | Watch Online | 92% | Watch Now |
| Amazon Prime | UK | 30-Day Free Trial | 30 Oct 2024 | amzprime | 18,618 | HD | Watch Online | 85% |
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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
- Steve GurevitchOriginal Music Composer
- Andrew HarwoodEditor
- Taylor JonesCostume Design
- Elle SunkaraLine Producer
- Jeff HardwickCasting
- Joseph WilkaCo-Producer
- Robert VardarosDirector of Photography
- Elle SunkaraCo-Producer
- Sheri ReevesCo-Executive Producer
- Jeremiah MannSet Decoration
- Haley StefancisMakeup Department Head
- Ken SandersProducer
- Melody KellyHairstylist
- Dana KellyHair Department Head
- Bryan DickWriter
- Cheridan SmithMakeup Artist
- Timothy O. JohnsonExecutive Producer
