Unforgotten on Masterpiece
Police officers investigate the murder of a boy whose diary implicates four couples.
Episode 1
S4 Ep1 | 46m 12s
After making the decision to retire from the police force, Cassie faces a dilemma.
Episode 2
S4 Ep2 | 45m 20s
Cassie and Sunny identify four potential suspects who trained as police officers together.
Episode 3
S4 Ep3 | 45m 4s
Cassie and Sunny interview the four suspects, who all deny knowing the victim.
Episode 4
S4 Ep4 | 45m 16s
Cassie and Sunny discover Walsh was chased by all four suspects on the night in question.
Episode 5
S4 Ep5 | 45m 26s
Cassie and Sunny interview two of the suspects again and get closer to the truth.
Episode 1
S3 Ep1 | 47m 46s
Cassie and Sunny work to identify human remains found buried near a London motorway.
Episode 3
S3 Ep3 | 46m 1s
Cassie and Sunny interview four men while the team returns to the original investigation.
Episode 4
S3 Ep4 | 45m 29s
Cassie and Sunny suspect the men are lying. The press learn James has been questioned.
Episode 5
S3 Ep5 | 46m 21s
As Cassie and Sunny get closer to the truth, the case takes a devastating turn for Cassie.
Episode 1
S2 Ep1 | 1h 23m 1s
A waterlogged suitcase holds the remains of David Walker, 25 years after he disappeared.
Official Teaser
1m 30s
The most dramatic season yet begs the question: who exactly is fighting for justice?
Where We Left Off
1m 59s
Take a look back on where we left off before the explosively dramatic new season.
Previously On Unforgotten
2m 27s
Get a refresher on the dramatic events of Season 3 and the harrowing finale.
Sunny's Backpack
S4 Ep1 | 1m 23s
Sanjeev Bhaskar explains the social media hype about Sunny's iconic backpack.
The Music
S4 Ep1 | 3m 42s
Join Sanjeev Bhaskar on a tour of Abbey Road Studios, where the show music is recorded.
Preview
S4 Ep2 | 30s
Cassie and Sunny identify four potential suspects who trained as police officers together.
The Murder
S4 Ep2 | 2m 27s
Nicola Walker and Sanjeev Bhaskar describe the gruesome murder in Season 4.
Preview
S4 Ep4 | 30s
Cassie and Sunny discover Walsh was chased by all four suspects on the night in question.
Cassie's Journey
S4 Ep4 | 2m 6s
Nicola Walker walks us through the emotional journey of Cassie Stuart over the years.
Preview
S4 Ep5 | 30s
Cassie and Sunny interview two of the suspects again and get closer to the truth.
Creator Chris Lang on Screenwriting
1m 56s
Unforgotten's Chris Lang offers a short masterclass in how he writes the series.
Cassie & Sunny's Partnership
S4 Ep6 | 2m 14s
Nicola Walker and Sanjeev Bhaskar reflect on Cassie and Sunny's enduring friendship.
Season 3 Trailer
1m 28s
When a girl’s remains are discovered, Cassie and Sunny work to track down the killer.
Episode 1 Scene
S3 Ep1 | 1m 13s
Cassie makes a startling discovery about the human remains found near a London motorway.
DCI Cassie Stuart and DI Sunny Khan investigate the cold case murder of a young girl.
The First Day of Shooting
S3 Ep1 | 2m 38s
Nicola Walker and Sanjeev Bhaskar talk about their first day back for Season 3.
Episode 2 Preview
S3 Ep2 | 27s
The search for what happened to Hayley begins as the team travel to meet her family.
Nicola Walker and Sanjeev Bhaskar
S3 Ep2 | 2m 53s
The stars of Unforgotten discuss their close friendship on and off the screen.
Episode 3 Preview
S3 Ep3 | 28s
Cassie and Sunny interview four men, and the rest of the team return to the investigation.
Episode 4 Preview
S3 Ep4 | 28s
Cassie and Sunny suspect that the men all lied about the night of the murder, but why?
Guest Actors
S3 Ep4 | 2m 43s
The newest guest stars of Season 3 discuss what it was like joining the show and cast.
Locations
S3 Ep4 | 1m 45s
Creator Chris Lang and the cast discuss the scenic filming locations for the show.
Episode 5 Preview
S3 Ep5 | 28s
Cassie and Sunny finally get closer to some truth about the night Hayley disappeared.
The Role of Social Media
S3 Ep5 | 2m 44s
The cast and crew talk about the role social media played in the events of Season 3.
Episode 6 Preview
S3 Ep6 | 28s
The team races to find the evidence to prove the identity of Hayley's killer.
Creating Unforgotten
S3 Ep6 | 2m 57s
Creators Chris Lang and Andy Wilson discuss how they brought their vision to the screen.
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