UK TV · 5
Police: Suspect No.1: all seasons, episodes and where it airs in the UK
Quick answer · UK
Police: Suspect No.1 is a UK crime and documentary series on 5, running since 2020, with 5 seasons and 21 episodes.
Police: Suspect No.1 is still running; the latest episode aired on Monday, January 19, 2026.
Police: Suspect No.1 seasons (5 seasons, 21 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 4 | September 28, 2020 | October 19, 2020 |
| Season 2 | 6 | February 20, 2023 | February 12, 2024 |
| Season 3 | 3 | July 15, 2024 | July 29, 2024 |
| Season 4 | 6 | March 3, 2025 | July 28, 2025 |
| Season 5 | 2 | January 12, 2026 | January 19, 2026 |
Original UK air dates on 5.
Common questions
How many seasons of Police: Suspect No.1 are there?
Police: Suspect No.1 has 5 seasons and 21 episodes, first airing on Monday, September 28, 2020.
Is Police: Suspect No.1 still on?
Police: Suspect No.1 is still running; the latest episode aired on Monday, January 19, 2026.
What channel is Police: Suspect No.1 on in the UK?
Police: Suspect No.1 airs on 5. Past episodes are often available on the broadcaster's own catch-up app.
Who stars in Police: Suspect No.1?
The main cast includes Hugo Speer.
Source: TVmaze (CC BY-SA), retrieved October 7, 2026.