Irish TV · RTÉ ONE
The Case I Can't Forget: all seasons, episodes and where it airs in Ireland
Quick answer · Ireland
The Case I Can't Forget is a Irish crime and documentary series on RTÉ ONE, running since 2020, with 5 seasons and 15 episodes.
No new season of The Case I Can't Forget has been confirmed yet; the latest episode aired on Wednesday, September 30, 2026.
The Case I Can't Forget seasons (5 seasons, 15 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 3 | December 2, 2020 | December 16, 2020 |
| Season 2 | 3 | November 29, 2021 | December 13, 2021 |
| Season 3 | 4 | September 5, 2022 | February 6, 2023 |
| Season 4 | 4 | October 2, 2024 | October 23, 2024 |
| Season 5 | 1 | September 30, 2026 | September 30, 2026 |
Original Irish air dates on RTÉ ONE.
Common questions
How many seasons of The Case I Can't Forget are there?
The Case I Can't Forget has 5 seasons and 15 episodes, first airing on Wednesday, December 2, 2020.
Is The Case I Can't Forget still on?
No new season of The Case I Can't Forget has been confirmed yet; the latest episode aired on Wednesday, September 30, 2026.
What channel is The Case I Can't Forget on in Ireland?
The Case I Can't Forget airs on RTÉ ONE. Past episodes are often available on the broadcaster's own catch-up app.
Source: TVmaze (CC BY-SA), retrieved October 9, 2026.