Season 4 Teaser

June 02, 2021

The most dramatic season yet begs the question: who exactly is fighting for justice? Season 4 premieres on Sunday, July 11 at 9/8c on MASTERPIECE on PBS.

Unforgotten

Season 4

Episode 6
Episode 6
August 15, 2021

Despite a tragic turn of events, the team narrows down the suspects.

Episode 5
Episode 5
August 8, 2021

Cassie and Sunny interview two of the suspects again and get closer to the truth.

Episode 4
Episode 4
August 1, 2021

Cassie and Sunny discover Walsh was chased by all four suspects on the night in question.

Episode 3
Episode 3
July 25, 2021

Cassie and Sunny interview the four suspects, who all deny knowing the victim.

Episode 2
Episode 2
July 18, 2021

Cassie and Sunny identify four potential suspects who trained as police officers together....

Episode 1
Episode 1
July 11, 2021

After making the decision to retire from the police force, Cassie faces a dilemma.

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Season 3

Episode 6
Episode 6
May 12, 2019

The team race to find evidence to prove the identity of Hayley's killer.

Episode 5
Episode 5
May 5, 2019

As Cassie and Sunny get closer to the truth, the case takes a devastating turn for Cassie....

Episode 4
Episode 4
April 28, 2019

Cassie and Sunny suspect the men are lying. The press learn James has been questioned.

Episode 3
Episode 3
April 21, 2019

Cassie and Sunny interview four men while the team returns to the original investigation.

Episode 2
Episode 2
April 14, 2019

The team travel to Middenham to meet Hayley's family.

Episode 1
Episode 1
April 7, 2019

Cassie and Sunny work to identify human remains found buried near a London motorway.

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