# Where to watch My Sister's Serial Killer Boyfriend (2023) in the UK

> My Sister's Serial Killer Boyfriend (2023) is not currently listed on any UK streaming, rental, or purchase service. Last verified on 18 May 2026 by ScreenSearch.

**Type:** Film  
**Year:** 2023  
**Runtime:** 84 minutes  
**TMDB rating:** 6.3/10  
**Genres:** Thriller, TV Movie  
**Region:** United Kingdom (GB)  
**Last verified:** 18 May 2026 (2026-05-18T16:27:30.232Z)  

## Synopsis

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.

## Streaming options in the United Kingdom

No current UK streaming, rental, or purchase listings were found for My Sister's Serial Killer Boyfriend in our daily-updated TMDB feed. The title may be on physical media only, awaiting UK release, or in a temporary licensing gap.

## Frequently asked questions

**Where can I watch My Sister's Serial Killer Boyfriend in the UK?**

My Sister's Serial Killer Boyfriend (2023) is not currently listed by any UK streaming, rental, or purchase service in our daily-updated TMDB feed. It may be on physical media, an aggregator, or pending a UK release. Check back later — availability changes frequently.

**Is My Sister's Serial Killer Boyfriend on Netflix, Disney+ or Amazon Prime Video in the UK?**

My Sister's Serial Killer Boyfriend is not currently included with any major UK subscription service. It may still be available to rent or buy.

**How accurate is this film's availability data?**

Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.

## Sources

- Streaming availability: The Movie Database (TMDB), refreshed daily.
- Underlying licensing data: JustWatch.
- Canonical URL: https://www.screensearch.co.uk/watch/movie/1066205/my-sister-s-serial-killer-boyfriend-2023
- Poster image: https://image.tmdb.org/t/p/w500/9CMMTffmuzaK8Lx8TBYk6qTTSyZ.jpg
- JSON variant: https://www.screensearch.co.uk/watch/movie/1066205/my-sister-s-serial-killer-boyfriend-2023.json

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