Episode 1
Episode 1
When a skeleton is unearthed, a car key found near the body is the only clue to the identity of the victim.
TV series
Unforgotten
2015TV-MA6 seasons7.5 / 10
London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
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Checked Jul 22, 2026
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Synopsis
London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
Season 1 episodes
Watch options above are for the show and may vary by season or episode.
Episode 2
Episode 2
DCI Cassie Stuart begins to identify the people mentioned in the diary of Jimmy Sullivan.
Episode 3
Episode 3
As the investigation in to Jimmy's death continues, Cassie and Sunny visit Father Robert Greaves hoping to identify the mysterious Jo-Jo.
Episode 4
Episode 4
The investigation into Jimmy's death continues, as Cassie and Sunny question Sir Phillip Cross.
Episode 5
Episode 5
As the investigation into Jimmy's death continues, Sir Phillip Cross makes a difficult decision while Father Robert comes clean to his family and the police.
Episode 6
Episode 6
As the investigation into Jimmy's death concludes, Father Robert finds that revealing the truth has lasting repercussions and Maureen lays her son Jimmy to rest.
Episode information updated Jul 22, 2026
