UK TV · 5
Murder: Suspect No 1: all seasons, episodes and where it airs in the UK
Quick answer · UK
Murder: Suspect No 1 is a UK documentary series on 5, running since 2025, with 2 seasons and 6 episodes.
Murder: Suspect No 1 is still running; the latest episode aired on Monday, January 5, 2026.
Murder: Suspect No 1 seasons (2 seasons, 6 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 5 | February 3, 2025 | February 24, 2025 |
| Season 2 | 1 | January 5, 2026 | January 5, 2026 |
Original UK air dates on 5.
Common questions
How many seasons of Murder: Suspect No 1 are there?
Murder: Suspect No 1 has 2 seasons and 6 episodes, first airing on Monday, February 3, 2025.
Is Murder: Suspect No 1 still on?
Murder: Suspect No 1 is still running; the latest episode aired on Monday, January 5, 2026.
What channel is Murder: Suspect No 1 on in the UK?
Murder: Suspect No 1 airs on 5. Past episodes are often available on the broadcaster's own catch-up app.
Source: TVmaze (CC BY-SA), retrieved October 11, 2026.