# Where to watch A Sibling Mystery (2018) in the UK

> A Sibling Mystery (2018) is currently available to stream in the UK on Amazon Prime Video and Amazon Prime Video with Ads. It can also be rented from Amazon Video or bought from Amazon Video. Last verified on 11 May 2026 by ScreenSearch.

**Type:** Film  
**Year:** 2018  
**Runtime:** 80 minutes  
**Genres:** Mystery, Comedy  
**Region:** United Kingdom (GB)  
**Last verified:** 11 May 2026 (2026-05-11T12:57:23.437Z)  

## Synopsis

A brother and sister become consumed with investigating a mysterious woman they suspect has stolen their winning lottery ticket, endangering their summer party plans.

## Streaming options in the United Kingdom

### Stream (subscription)

- [Amazon Prime Video](https://www.amazon.co.uk/s?k=A%20Sibling%20Mystery&i=instant-video)
- [Amazon Prime Video with Ads](https://www.amazon.co.uk/s?k=A%20Sibling%20Mystery&i=instant-video)

### Free (with ads or TV licence)

- [Tubi TV](https://tubitv.com/search/A%20Sibling%20Mystery)
- [Amazon Prime Video Free with Ads](https://www.amazon.co.uk/s?k=A%20Sibling%20Mystery&i=instant-video)

### Rent (typically 24-48 hours)

- [Amazon Video](https://www.amazon.co.uk/s?k=A%20Sibling%20Mystery&i=instant-video)

### Buy (digital download)

- [Amazon Video](https://www.amazon.co.uk/s?k=A%20Sibling%20Mystery&i=instant-video)

## Frequently asked questions

**Where can I stream A Sibling Mystery in the UK?**

A Sibling Mystery (2018) is currently included in subscriptions to Amazon Prime Video and Amazon Prime Video with Ads in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.

**How much does it cost to rent A Sibling Mystery?**

Rental prices vary by service and tier (HD vs 4K), typically £3.49 to £5.99 in the UK for a 48-hour rental. ScreenSearch links you straight to Amazon Video so you can check the current price.

**Can I buy a digital copy of A Sibling Mystery?**

Yes. A Sibling Mystery can be bought as a digital download from Amazon Video in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.

**Is A Sibling Mystery on Netflix, Disney+ or Amazon Prime Video in the UK?**

A Sibling Mystery is currently included with: Amazon Prime Video and Amazon Prime Video with Ads.

**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/633582/a-sibling-mystery-2018
- Poster image: https://image.tmdb.org/t/p/w500/q13k5yiI4s7olMhX5YmIIWBe3W.jpg
- JSON variant: https://www.screensearch.co.uk/watch/movie/633582/a-sibling-mystery-2018.json

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Generated by [ScreenSearch](https://www.screensearch.co.uk/) — a free UK-focused tool that answers "where can I watch this in the UK?" for any film or TV show. No accounts, no signup.