Unforgotten
Returning Series
2015 – 2025
36 Episodes
46 min
13
Popularity
i
Popularity is a TMDB metric that combines page views, search traffic, votes, and trending activity. It’s dynamic and updates daily. The higher the number is, the more popular the show is
7.5
/10TMDB Rating
7.20
/10AER
i
AER stands for “Average Episode Rating” and is calculated by averaging all rated episodes.
|
| Ep 1 | Ep 2 | Ep 3 | Ep 4 | Ep 5 | Ep 6 | |
|---|---|---|---|---|---|---|
| S1 | 8.0 | 7.8 | 7.9 | 7.4 | 7.7 | 8.5 |
| S2 | 6.5 | 7.8 | 7.5 | 7.5 | 7.7 | 8.4 |
| S3 | 7.6 | 6.2 | 7.4 | 7.4 | 7.6 | 8.2 |
| S4 | 6.6 | 7.2 | 7.2 | 7.0 | 7.3 | 8.0 |
| S5 | 6.9 | 7.2 | 7.3 | 7.3 | 7.3 | 7.1 |
| S6 | 6.2 | 7.2 | 5.5 | 5.5 | 5.8 | 5.8 |
Highlights
Best Episode
S1E6 - Episode 6(8.5/10)
2015-11-12
Worst Episode
S6E3 - Episode 3(5.5/10)
2025-02-16
Best Season
Season 1(7.87/10)
2015
Worst Season
Season 6(6.00/10)
2025
Top 5
S1E6
Episode 6
2015-11-12
8.5
S2E6
Episode 6
2017-02-09
8.4
S3E6
Episode 6
2018-08-19
8.2
S1E1
Episode 1
2015-10-08
8.0
S4E6
Episode 6
2021-03-29
8.0
Best Run
S2E5
Episode 5
2017-02-02
7.7
S2E6
Episode 6
2017-02-09
8.4
S3E1
Episode 1
2018-07-15
7.6
Worst Run
S6E3
Episode 3
2025-02-16
5.5
S6E4
Episode 4
2025-02-17
5.5
S6E5
Episode 5
2025-02-23
5.8
Created by
Cast
Synopsis
London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.