Killer Britain with Dermot Murnaghan: Story, Cast and Series Facts

Story and premise

Killer Britain with Dermot Murnaghan explores British murder stories filled with detective intrigue and chilling storylines of homicide and hate. In each episode, Dermot Murnaghan recounts a case he has reported on or followed at close quarters. 

Each murder storiy is told with archived footage and key interviews from those closest to the case, including testimony from family members of the victims and the investigating officers who first arrived on the scene to witness the aftermath of the murders.

Series details

• Title: Killer Britain with Dermot Murnaghan
• Format: Documentary
• Language: English
• Genres: Crime
• Premiere date: 2020-10-26
• Status in TVmaze: Running
• Network listed by TVmaze: Crime & Investigation
• Network country: United Kingdom
• Typical episode runtime: 60 minutes
• TVMaze ID: 51557
• IMDb ID: tt14722484
• TVDB ID: 398408

Cast and credited roles

• Dermot Murnaghan — Presenter

Seasons in the TVmaze catalogue

• Season 1: premiered 2020-10-26; final listed air date 2020-10-30; episode order: 5.
• Season 2: premiered 2021-05-31; final listed air date 2021-06-04; episode order: 5.
• Season 3: premiered 2021-10-25; final listed air date 2021-10-28; episode order: 5.
• Season 4: premiered 2022-02-14; final listed air date 2022-04-18; episode order: 11.
• Season 5: premiered 2025-05-12; final listed air date 2025-07-14; episode order: 10.

Source and licence

Adapted from Killer Britain with Dermot Murnaghan on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.