Trial & Retribution (1997–2009)

1. S01E01Trial & Retribution I (Part 1)October 19, 1997 8.0Five-year-old Julie Harris goes missing after being seen playing at the local playground. Suspicion immediately falls on Julie's mother's ne
2. S01E02Trial & Retribution I (Part 2)October 20, 1997 8.0When items relating to the case are found in Dunn's flat, Walker has no doubt that Dunn is responsible. However, when it's revealed that a f

Season 1 ranked & reviewed

1. S02E01Trial & Retribution II (Part 1)October 18, 1998 6.0When Susan Harrow does not return home, her mother reports her missing to the police. Her body is later discovered on wasteland and an inves
2. S02E02Trial & Retribution II (Part 2)October 19, 1998 6.0Marilyn Spark's identification of Morton as her attacker is given credence when the severed breasts of the dead victims are discovered on Mo

Season 2 ranked & reviewed

1. S03E01Trial And Retribution III (1)October 7, 1999 8.0A fifteen year old girl goes missing and her blood-stained clothes are found. Det. Supt. Walker heads the investigation into her murder. Mea
2. S03E02Trial And Retribution III (2)October 14, 1999 8.0A fifteen year old girl goes missing and her blood-stained clothes are found. Det. Supt. Walker heads the investigation into her murder. Mea

Season 3 ranked & reviewed

1. S04E01Trial And Retribution IV (1)October 4, 2000 6.0D.I. North re-investigates an eight-year-old murder case and finds that Det. Supt. Walker was in charge of the inquiry. She begins to suspec
2. S04E02Trial And Retribution IV (2)October 5, 2000 6.0D.I. North re-investigates an eight-year-old murder case and finds that Det. Supt. Walker was in charge of the inquiry. She begins to suspec

Season 4 ranked & reviewed

1. S05E01Trial And Retribution V (1)June 19, 2001 8.0Walker is assigned to investigate the discovery of a 17-year-old skeleton, which he isn't too happy about - especially as he's working with
2. S05E02Trial And Retribution V (2)June 20, 2001 8.0Walker is assigned to investigate the discovery of a 17-year-old skeleton, which he isn't too happy about - especially as he's working with

Season 5 ranked & reviewed

1. S06E01Trial And Retribution VI (1)October 6, 2002—D.I. North investigates when a girl is snatched from a wood, but the confession of a local sex offender complicates matters. Detective Chief
2. S06E02Trial And Retribution VI (2)October 7, 2002—D.I. North investigates when a girl is snatched from a wood, but the confession of a local sex offender complicates matters. Detective Chief

Season 6 ranked & reviewed

1. S07E01VII: Suspicion (1)September 1, 2003—A severed female hand is found in the Thames, which brings D.C.I. Conner in contact with Walker (who is now back in uniform). No body is dis
2. S07E02VII: Suspicion (2)September 2, 2003—A severed female hand is found in the Thames, which brings D.C.I. Conner in contact with Walker (who is now back in uniform). No body is dis

Season 7 ranked & reviewed

1. S08E01Trial And Retribution VIII: Blue Eiderdown (1)October 11, 2004—A young prostitute, Angela Dutton, plunges to her death from the eleventh floor balcony of a block of flats. The police begin a murder enqui
2. S08E02Trial And Retribution VIII: Blue Eiderdown (2)October 12, 2004—A young prostitute, Angela Dutton, plunges to her death from the eleventh floor balcony of a block of flats. The police begin a murder inqui

Season 8 ranked & reviewed

1. S09E01Trial And Retribution IX: The Lovers (1)November 7, 2005—
2. S09E02Trial And Retribution IX: The Lovers (2)November 8, 2005—

Season 9 ranked & reviewed

1. S10E01Sins Of The Father (1)January 14, 2007—The apparently happy Harrogate family is torn apart when they return home to discover their daughter, Emily, dead. Connor and Satchell begin
2. S10E02Sins Of The Father (2)January 15, 2007—
3. S10E03Closure (1)January 21, 2007—A young school girl is raped and murdered, but D.C.I. Connor still has no leads a month into the investigation. When Walker orders a review
4. S10E04Closure (2)January 22, 2007—A young school girl is raped and murdered, but D.C.I. Connor still has no leads a month into the investigation. When Walker orders a review
5. S10E05Paradise Lost (1)January 28, 2007—A serial rapist is targeting the black community by raping white women with black boyfriends. When an attack ends in murder and the boyfrien
6. S10E06Paradise Lost (2)January 29, 2007—
7. S10E07Curriculum Vitae (1)February 4, 2007—A mother returns home from work to find her baby girl dead in her cot, and her nanny has Vanished. D.C.I. Connor and the team take on this e
8. S10E08Curriculum Vitae (2)February 5, 2007—A mother returns home from work to find her baby girl dead in her cot, and her nanny has Vanished. D.C.I. Connor and the team take on this e
9. S10E09Mirror Image (1)February 12, 2007—The murder of a Police Commander and his wife puts Walker, Connor and the team under pressure to get a quick result. Jewelery has been stole
10. S10E10Mirror Image (2)February 13, 2007—

Season 10 ranked & reviewed

1. S11E01Rules of the Game (1)January 17, 2008—A suitcase is found abandoned at Heathrow Airport, and panic ensues, but it is soon discovered to be no terrorist threat. Inside is the nake
2. S11E02Rules of the Game (2)January 24, 2008—Another working girl, Maryna, is put on trial for assaulting Malikov. She claims self-defence but the trial is mishandled and walker is even
3. S11E03Kill the King (1)January 31, 2008—When well-known paediatric surgeon Jonathan Carlisle is found dead, DCI Connor uncovers conflicts stirred by a recent operation that resulte
4. S11E04Kill the King (2)February 7, 2008—The aftermath of Gary Webster’s suicide begins – a DPS enquiry, a very shaken Palmer, and a shocked but stoic Gemma, still convinced of a co
5. S11E05Conviction (1)February 14, 2008—Terry Dyer has been recently released from prison, where he was imprisoned for a crime he still maintains he did not commit, and he returns
6. S11E06Conviction (2)February 21, 2008—Dyer is released and Ken Randle confesses to Fisher's murder and goes on trial. However, Sarah comes to see Walker. She is anxious to tell h
7. S11E07The Box (1)February 28, 2008—D.C.S. Walker goes on leave back to Glasgow, where he is taking care of his increasingly senile mother, he soon becomes involved in the case
8. S11E08The Box (2)March 13, 2008—Whilst Anna's diary entries initially suggest that Ronnie was stalking her, they are eventually dismissed as forgeries. Ronnie also had an a
9. S11E09Tracks (1)March 20, 2008—The body of a teenage girl, Maria Cole, is discovered in a chalk pit, and the tracks of three different vehicles are discovered at the crime
10. S11E10Tracks (2)March 27, 2008—Ray Harper is devastated to find that Andy has hanged himself. Darren admits that he and Andy were a gay couple but dared not tell their fam

Season 11 ranked & reviewed

1. S12E01Siren (1)January 9, 2009—An ambulance is forced off the road as it is carrying a famous patient in the back. The patient is then shot in the head.
2. S12E02Siren (2)January 16, 2009—Imogen's mother makes a plea for her daughter's safe return. Things happening between McGill and Connor threaten the investigation.
3. S12E03Ghost Train (1)January 23, 2009—When a girl falls to her death from a ferris wheel, it is thought to be a tragic accident - until DS Satchell's aunt comes forward with susp
4. S12E04Ghost Train (2)January 30, 2009—Despite the presence of Tess, the police find the funfair workers unwilling to cooperate. An arrest is eventually made, a Romanian worker ca
5. S12E05Shooter (1)February 6, 2009—DS Satchell and his family find themselves the target of a notorious crime family when he witnesses the slaying of an informer following a j
6. S12E06Shooter (2)February 13, 2009—DS Satchell is desperate to find his wife and daughter now that they are misssing. Walker and Connor try to find the evidence to put the Bil

Season 12 ranked & reviewed