Episodes
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Episode 1
S4 E1 - 46m 12s
Parts of a body are found in a scrapyard. Meanwhile, after making the decision to retire from the police force, Cassie faces a dilemma when she learns she isn’t entitled to her full pension payment unless she completes her 30 years of service.
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Episode 2
S4 E2 - 45m 20s
Cassie and Sunny identify four potential suspects who trained as police officers together, and two of them are still serving. They have no luck finding the rest of the body and decide to go public about the discovery of Walsh’s remains.
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Episode 3
S4 E3 - 45m 4s
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.
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Episode 4
S4 E4 - 45m 16s
Cassie and Sunny discover Walsh was chased by all four suspects on the night in question. Willets realizes Fiona’s blood sample may have been deliberately lost by Liz. The pathologist identifies a cause of death implying Walsh was murdered.
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Episode 5
S4 E5 - 45m 26s
Cassie and Sunny interview two of the suspects again and get closer to the truth of what happened to Walsh. Balcombe believes she may have found the cause of death. Unexpectedly, things take a devastating turn for Cassie.
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Episode 6
S4 E6 - 44m 53s
Despite a tragic turn of events, the team narrows down the suspects. Will they find conclusive proof of who the murder weapon belonged to and succeed in bringing Walsh’s killer to justice?
Extras + Features
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Creator Chris Lang on Screenwriting
S4 - 1m 56s
What does it take to write a show like Unforgotten? The series creator describes his surprising process from start to finish, including how he lets the characters grow and evolve over time.
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Cassie & Sunny's Partnership
S4 E6 - 2m 14s
"That trust and love, that's a real touchstone in Cassie's life." Stars Nicola Walker and Sanjeev Bhaskar reflect on the years of enduring friendship and love between Cassie and Sunny.
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Preview
S4 E6 - 30s
Despite a tragic turn of events, the team narrows down the suspects. Will they find conclusive proof of who the murder weapon belonged to and succeed in bringing Walsh’s killer to justice?
Schedule
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