UK TV · Channel 4
Catching a Killer: how many seasons and episodes, and where it airs in the UK
Quick answer · UK
Catching a Killer has 5 seasons and 7 episodes on Channel 4 (2017–present).
Catching a Killer is a UK crime and documentary series on Channel 4, running since 2017, with 5 seasons and 7 episodes. Catching a Killer is still running; the latest episode aired on Tuesday, January 6, 2026.
Catching a Killer seasons (5 seasons, 7 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 2017 | 3 | June 1, 2017 | December 7, 2017 |
| Season 2018 | 1 | May 14, 2018 | May 14, 2018 |
| Season 2020 | 1 | January 12, 2020 | January 12, 2020 |
| Season 2024 | 1 | July 31, 2024 | July 31, 2024 |
| Season 2026 | 1 | January 6, 2026 | January 6, 2026 |
Original UK air dates on Channel 4.
Common questions
How many seasons of Catching a Killer are there?
Catching a Killer has 5 seasons and 7 episodes, first airing on Thursday, June 1, 2017.
Is Catching a Killer still on?
Catching a Killer is still running; the latest episode aired on Tuesday, January 6, 2026.
What channel is Catching a Killer on in the UK?
Catching a Killer airs on Channel 4. Past episodes are often available on the broadcaster's own catch-up app.
Source: TVmaze (CC BY-SA), retrieved October 21, 2026.