London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
You can now watch Unforgotten online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2015-10-08 | 60 min |
| Season 1 | Episode 2 | Episode 2 | 2015-10-15 | 45 min |
| Season 1 | Episode 3 | Episode 3 | 2015-10-22 | 45 min |
| Season 1 | Episode 4 | Episode 4 | 2015-10-29 | 45 min |
| Season 1 | Episode 5 | Episode 5 | 2015-11-05 | 45 min |
| Season 1 | Episode 6 | Episode 6 | 2015-11-12 | 45 min |
| Season 2 | Episode 1 | Episode 1 | 2017-01-05 | 60 min |
| Season 2 | Episode 2 | Episode 2 | 2017-01-12 | 60 min |
| Season 2 | Episode 3 | Episode 3 | 2017-01-19 | 60 min |
| Season 2 | Episode 4 | Episode 4 | 2017-01-26 | 60 min |
| Season 2 | Episode 5 | Episode 5 | 2017-02-02 | 60 min |
| Season 2 | Episode 6 | Episode 6 | 2017-02-09 | 60 min |
| Season 3 | Episode 1 | Episode 1 | 2018-07-15 | 60 min |
| Season 3 | Episode 2 | Episode 2 | 2018-07-22 | 60 min |
| Season 3 | Episode 3 | Episode 3 | 2018-07-29 | 60 min |
| Season 3 | Episode 4 | Episode 4 | 2018-08-05 | 60 min |
| Season 3 | Episode 5 | Episode 5 | 2018-08-12 | 65 min |
| Season 3 | Episode 6 | Episode 6 | 2018-08-19 | 60 min |
| Season 4 | Episode 1 | Episode 1 | 2021-02-22 | 60 min |
| Season 4 | Episode 2 | Episode 2 | 2021-03-01 | 60 min |
| Season 4 | Episode 3 | Episode 3 | 2021-03-09 | 60 min |
| Season 4 | Episode 4 | Episode 4 | 2021-03-15 | 60 min |
| Season 4 | Episode 5 | Episode 5 | 2021-03-22 | 60 min |
| Season 4 | Episode 6 | Episode 6 | 2021-03-29 | 60 min |
| Season 5 | Episode 1 | Episode 1 | 2023-02-27 | 46 min |
| Season 5 | Episode 2 | Episode 2 | 2023-02-27 | 46 min |
| Season 5 | Episode 3 | Episode 3 | 2023-02-27 | 46 min |
| Season 5 | Episode 4 | Episode 4 | 2023-02-27 | 46 min |
| Season 5 | Episode 5 | Episode 5 | 2023-02-27 | 46 min |
| Season 5 | Episode 6 | Episode 6 | 2023-02-27 | 47 min |
| Season 6 | Episode 1 | Episode 1 | 2025-02-09 | min |
| Season 6 | Episode 2 | Episode 2 | 2025-02-09 | min |
| Season 6 | Episode 3 | Episode 3 | 2025-02-09 | min |
| Season 6 | Episode 4 | Episode 4 | 2025-02-09 | min |
| Season 6 | Episode 5 | Episode 5 | 2025-02-09 | min |
| Season 6 | Episode 6 | Episode 6 | 2025-02-09 | min |
| Production | Carmel Maloney | Producer |
| Production | Guy de Glanville | Executive Producer |
| Production | Laura Mackie | Executive Producer |
| Production | Chris Lang | Executive Producer |
| Production | Sally Haynes | Executive Producer |
| Writing | Chris Lang | Writer |
| Directing | Andy Wilson | Director |
