Season 6
6 episodes · first aired 2021-10-20
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Episode 1 2021-10-20 | When a prominent and controversial Shetlander is shot dead on their doorstep in broad daylight, Perez rushes back from his mother’s funeral to lead the investigation. | 2021-10-20 | 7.2 |
 | 02 | Episode 2 2021-10-27 | In the aftermath of the diving incident, the team searches for a link between the two bodies. Meanwhile, Perez must deal with the return of Donna Killick. | 2021-10-27 | 6.5 |
 | 03 | Episode 3 2021-11-03 | The hunt is on for Sandy's attacker, before a shocking confession causes tensions to boil over and some Islanders take justice into their own hands. | 2021-11-03 | 7.4 |
 | 04 | Episode 4 2021-11-10 | After the shocking events of the previous night, Perez must piece together what happened before a rampaging and vengeful Creggan finds his target. | 2021-11-10 | 6.8 |
 | 05 | Episode 5 2021-11-17 | Facing a dead end in the hunt for Galbraith’s killer, Tosh leads Perez to the remote island of Fetlar. Donna asks Duncan for one last favour. | 2021-11-17 | 6.5 |
 | 06 | Episode 6 2021-11-24 | As Perez closes in on the identity of Galbraith’s killer, he struggles with Duncan’s secret, while Donna has one more surprise in store. | 2021-11-24 | 7.4 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.