# Where to watch An Unexpected Killer (2019) in the UK

> An Unexpected Killer (2019) is currently available to stream in the UK on Hayu and Hayu Amazon Channel. Last verified on 4 May 2026 by ScreenSearch.

**Type:** TV series  
**Year:** 2019  
**Runtime:** 45 minutes per episode  
**TMDB rating:** 8.2/10  
**Genres:** Documentary, Crime  
**Seasons:** 3  
**Region:** United Kingdom (GB)  
**Last verified:** 4 May 2026 (2026-05-04T15:22:04.053Z)  

## Synopsis

A wild and unpredictable journey into homicide investigations where the true identity of the killer comes as a shocking surprise. Combining unparalleled access, captivating interviews and stylish reenactments, each investigation starts in a familiar way - examining the crime scene, interviewing potential suspects… but then something unexpected changes everything. A new witness, an overlooked piece of evidence or even an innovation in forensic science sends investigators on a totally unexpected path that ultimately leads to the conviction of the real killer.

## Streaming options in the United Kingdom

### Stream (subscription)

- [Hayu](https://www.themoviedb.org/tv/107892-an-unexpected-killer/watch?locale=GB)
- [Hayu Amazon Channel](https://www.amazon.co.uk/s?k=An%20Unexpected%20Killer&i=instant-video)

## Frequently asked questions

**Where can I stream An Unexpected Killer in the UK?**

An Unexpected Killer (2019) is currently included in subscriptions to Hayu and Hayu Amazon Channel in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.

**Are all seasons of An Unexpected Killer on the same service?**

Not always — TV licensing is sometimes negotiated season by season. ScreenSearch shows availability across all seasons on the title's page; for season-specific availability, look at the season picker inside the search dialog.

**Is An Unexpected Killer on Netflix, Disney+ or Amazon Prime Video in the UK?**

An Unexpected Killer is currently included with: Hayu and Hayu Amazon Channel.

**How accurate is this TV series'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/tv/107892/an-unexpected-killer-2019
- Poster image: https://image.tmdb.org/t/p/w500/uJrjZX02NUx52fVSKy6iCUqrilC.jpg
- JSON variant: https://www.screensearch.co.uk/watch/tv/107892/an-unexpected-killer-2019.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.