Episode 3

July 25, 2021

Cassie and Sunny interview the four suspects, who all deny knowing the victim. Boulting discovers Walsh was cautioned three weeks before his death, and Collier manages to locate the rest of Walsh’s body.

Unforgotten

Season 4

Episode 6

August 15, 2021

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

Episode 5

August 8, 2021

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

Episode 4

August 1, 2021

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

Episode 2

July 18, 2021

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

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

May 12, 2019

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

Episode 5

May 5, 2019

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

Episode 4

April 28, 2019

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

Episode 3

April 21, 2019

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

Episode 2

April 14, 2019

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

Episode 1

April 7, 2019

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

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Clips and Previews

Season 4 Teaser

June 2, 2021

The most dramatic season yet begs the question: who exactly is fighting for justice?