The BEST episodes of Unforgotten
Every episode of Unforgotten ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Unforgotten!
Dedicated detectives work tirelessly to unravel long-held secrets.
#1 - Episode 6
Season 1 - Episode 6 - Aired 11/12/2015
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.
#2 - Episode 4
Season 1 - Episode 4 - Aired 10/29/2015
The investigation into Jimmy's death continues as Cassie and Sunny question Sir Phillip Cross.
#3 - Episode 6
Season 2 - Episode 6 - Aired 2/9/2017
As each of the suspects have either a motive or a connection to David Walker, Cassie and Sunny work on trying to prove a more far-fetched theory that involves travelling across the country and delving further into the past of the suspects.
#4 - Episode 5
Season 1 - Episode 5 - Aired 11/5/2015
As the investigation into Jimmy's death continues, Sir Phillip Cross makes a difficult decision, and Father Robert comes clean to his family and the police.
#5 - Episode 3
Season 1 - Episode 3 - Aired 10/22/2015
As the investigation into Jimmy's death continues, Cassie and Sunny visit Father Robert Greaves in a bid to identify the mysterious Jo-Jo.
#6 - Episode 1
Season 1 - Episode 1 - Aired 10/8/2015
When a skeleton is unearthed, a car key found near the body is the only clue to the identity of the victim.
#7 - Episode 2
Season 1 - Episode 2 - Aired 10/15/2015
DCI Cassie Stuart begins to identify the people mentioned in the diary of Jimmy Sullivan.
#8 - Episode 1
Season 2 - Episode 1 - Aired 1/5/2017
A waterlogged suitcase holds the remains of David Walker, 25 years after he disappeared. Walker’s wife, Tessa, turns out to be a police officer. Cassie and Sunny interview two other suspects, Sara and Colin.
#9 - Episode 2
Season 2 - Episode 2 - Aired 1/12/2017
Detectives Cassie and Sunny begin to find out a bit more about who David Walker was through speaking to his ex-wife Tessa. A search through the original investigation files and numbers traced from his pager help them build a picture of David, and lead them towards potential suspects. A conversation with David's old school friend leads Cassie and Sunny to believe that they may have found a motive.
#10 - Episode 3
Season 2 - Episode 3 - Aired 1/19/2017
Further examination of David Walker's history suggests that he was a troubled man with a number of issues. Marion has a prickly chat with Cassie about her past and the investigation reveals her close relationship with an IRA activist. As the police enquiries encroach on their lives, Sara and Colin open up to their partners.
#11 - Episode 4
Season 2 - Episode 4 - Aired 1/26/2017
A disturbing allegation about David opens up a second line of enquiry for the team. How much Tessa actually knew about David's life threatens to ruin her relationship with her husband and son. Marion gets into trouble at work and jeopardises her marriage by refusing to open up about her past. After having his phone stolen and information exposed, Colin is blackmailed again - and Sarah's secrets push her family to breaking point.
#12 - Episode 5
Season 2 - Episode 5 - Aired 2/2/2017
Cassie begins to investigate the Brentford house and the theory that one or more of the suspects may have been abused at the gatherings that took place there. The enquiry reveals some information that allows Colin to come to terms with a shame that he has lived with for over 25 years. Sara is forced to confront her past in order to prove her innocence. Marion pushes her family even further away.
#13 - Episode 1
Season 5 - Episode 1 - Aired 2/27/2023
When a severed leg is discovered in a bricked-up chimney flue the team get to work identifying the victim and cause of death. Cassie’s replacement on the force, DCI Jess James, has a rocky start as she clashes with a grieving Sunny.
#14 - Episode 2
Season 5 - Episode 2 - Aired 3/6/2023
The team work to identify the body found in the chimney flue as forensics reveal the cause of death. Jess and Sunny visit the victim’s mother to break the devastating news. They find the pair had a tumultuous relationship.
#15 - Episode 3
Season 5 - Episode 3 - Aired 3/13/2023
The victim’s turbulent past comes to light. While Sunny takes a trip to Paris and Jess drops in on an unsuspecting Lord, the pair continue to butt heads.
#16 - Episode 4
Season 5 - Episode 4 - Aired 3/20/2023
Sunny and Jess’s personal lives go from bad to worse while they struggle to keep focused. Meanwhile, the suspect list grows and a mother and son are put under the microscope.
#18 - Episode 6
Season 5 - Episode 6 - Aired 4/3/2023
Can Sunny, Jess and the team bring the clues in the case together and unravel the secrets to solve it?
#19 - Episode 1
Season 6 - Episode 1 - Aired 2/9/2025
When a spine is dredged out of Whitney Marsh, a new case begins for Jess and Sunny’s team at Bishop Street CID. Four potential suspects soon appear, each with secrets to hide.
#20 - Episode 2
Season 6 - Episode 2 - Aired 2/10/2025
The Bishop Street team investigate the deceased's record, relationships, and enemies, and Jess and Sunny make contact with his widow. No one is as innocent as they first seem.
#22 - Episode 4
Season 6 - Episode 4 - Aired 2/17/2025
With the details of the deceased's life becoming clearer and one suspect already being questioned, the Bishop Street team find suspects further afield.
#23 - Episode 5
Season 6 - Episode 5 - Aired 2/23/2025
Lies are uncovered, and suspects are taken into custody, but who's protecting who? Meanwhile, Jess plans a conversation with Steve.
#25 - Episode 6
Season 4 - Episode 6 - Aired 3/29/2021
Despite a tragic turn of events, Sunny and the team narrow down the suspects.