Episode 6
Under the glare of media spotlights, the team race to find evidence to prove the identity of Hayley’s killer.
Nicola Walker (Last Tango in Halifax) and Sanjeev Bhaskar (Indian Summers) star as police officers investigating the cold case murder of a boy whose diary implicates four seemingly unconnected couples in a thriller that The Guardian (UK) hailed as “so much more than a satisfying murder mystery.”
Unforgotten on MASTERPIECE Episodes


S3 Ep5 | 46m 21s
As Cassie and Sunny get closer to the truth, the case takes a devastating turn for Cassie.


S3 Ep4 | 45m 29s
Cassie and Sunny suspect the men are lying. The press learn James has been questioned.


S3 Ep3 | 46m 1s
Cassie and Sunny interview four men while the team returns to the original investigation.
Unforgotten on MASTERPIECE Extras

S3 Ep6 | 2m 57s
Creators Chris Lang and Andy Wilson discuss how they brought their vision to the screen.

S3 Ep5 | 2m 44s
The cast and crew talk about the role social media played in the events of Season 3.

S3 Ep4 | 2m 43s
The newest guest stars of Season 3 discuss what it was like joining the show and cast.

S3 Ep3 | 28s
Cassie and Sunny interview four men, and the rest of the team return to the investigation.

Nicola Walker and Sanjeev Bhaskar
S3 Ep2 | 2m 53s
The stars of Unforgotten discuss their close friendship on and off the screen.

S3 Ep1 | 1m 13s
Cassie makes a startling discovery about the human remains found near a London motorway.