A Killer's Mistake Episode Rating Graph
Oct 2018 - present

Oct 2018 - present
5.9

| E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | |
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Browse episode ratings trends for A Killer's Mistake. Simply click on the interactive rating graph to explore the best and worst of A Killer's Mistake's 50 episodes.

S1 Ep2
7.4
9th Oct 2018
A look at how detectives uncovered the crimes of wife-killer Nat Fraser, revealing how the scheming murderer botched the seemingly perfect plot.

S3 Ep10
7.3
24th Nov 2022
When Sarah Wellgreen suddenly disappears, detectives pour all their resources into finding her. But after discovering no evidence of her, they investigate closer to home.

S3 Ep1
7.3
29th Sep 2022
In Louisiana, 23 young men are found dead over a nine-year period. Investigators search for the Bayou Strangler but a break in the case comes only after a key error by the killer.
S4 Ep6
7.2
10th Feb 2024
For every murderer behind bars, there was a mistake that gave them away. Investigators and those close to the case discuss the key error that led to an arrest.

S1 Ep1
7.2
2nd Oct 2018
A look at the key errors made by murderers that led to their arrest, focusing this time on Paul Hutchinson, who abducted, raped and strangled Colette Aram in 1983.
S5 Ep9
7.2
26th Apr 2025
When Alice Ruggles is found dead in her Gateshead flat back in 2016, detectives uncover a tale of obsession. Police must distinguish truth from lies to solve this case.

S1 Ep9
7.1
4th Dec 2018
A look at how the Thames Valley Police investigated the death of a wealthy Oxford antiques dealer and ultimately tracked down and caught his killer.
S5 Ep10
7.0
3rd May 2025
When Tiffany Hill is shot dead in her car, her ex-husband, Keland Hill, is the prime suspect. Police uncover the mistake that exposes his intentions.
S5 Ep4
7.0
22nd Mar 2025
Anthony Shore is a predator who stalks and strangles his victims. For years, he eludes investigators until an unrelated assault presents a lead.
S4 Ep2
7.0
13th Jan 2024
Natalie and Paul had a seemingly idyllic relationship. But when she suddenly disappears, the investigation uncovers a dark reality of control and violence.

S3 Ep9
7.0
17th Nov 2022
A beloved firefighter, William Walker is killed on his driveway in Cleveland Heights, Ohio. The suspicion quickly turns to his second wife. Police quickly learns, she recruited a team of teenagers to help her do the hit.

S1 Ep7
7.0
13th Nov 2018
An in-depth look at how police brought Tony McCluskie to justice after he murdered and dismembered his sister, EastEnders actress Gemma McCluskie, in 2012.

S1 Ep3
6.9
16th Oct 2018
A closer look at the subtle clues that led police to Jesse Matthew, a former cab driver who kidnapped and killed two Virginia college students.

S1 Ep6
5.9
6th Nov 2018
An in-depth look at how Arizona serial killer William Inmon was brought to justice after killing three people.

S2 Ep3
6.0
8th Apr 2020
Douglas Perry was obsessed with prostitutes and shot three dead in 1990. Yet when Doug became Donna, she accepted no responsibility for Doug's crimes.

S1 Ep8
6.1
27th Nov 2018
The story of how, in 2009, police closed the net on Anthony Sowell, the prolific American serial killer known as the Cleveland Strangler.

S2 Ep7
6.3
7th May 2020
The case of Rahim Mohammaddi, who brutally killed the elderly woman that took him under his wing.
S4 Ep5
6.3
3rd Feb 2024
Serial killer Donald Miller was jailed for the murder of four victims and two murder attempts. The survivors speak out as Miller's parole date draws near.

S2 Ep1
6.4
25th Mar 2020
When a boxer is paralysed in an accident, an amateur fighter named Thomas befriends him and becomes his carer. However, his kindness comes at the ultimate price.

S2 Ep2
6.4
1st Apr 2020
A cunning fraudster makes a habit out of exploiting women for money after successfully murdering his first wife for a life insurance payout.

S3 Ep7
6.4
3rd Nov 2022
Iconic and international murder stories featuring interviews with convicted killers. Each episode focuses on the key error that a killer made which led to their arrest.
S4 Ep7
6.4
17th Feb 2024
When Susan Waring, a 45-year-old mum-of-five with learning difficulties, disappears in 2019, all eyes turn to the new man in her life, Alan Edwards.
S4 Ep9
6.4
2nd Mar 2024
Keeley McGrath kept her struggles hidden. It was only after Anthony Davis took her life that her family discovered the silent torment she endured.

S3 Ep6
6.5
27th Oct 2022
When a kind old man is found murdered his family are devastated. However, the police investigating the case discover his niece's bingo habit and backlog of debts would lead her to kill.
S4 Ep3
6.6
20th Jan 2024
When Katherine Smith connects with Tony Moore on a dating site, she believes she's finally found love. But her dreams shatter when his true identity is revealed.
S4 Ep4
6.6
27th Jan 2024
The disappearance of Denise Williams' husband leaves her devastated. But, when his mother investigates, she discovers the heart-wrenching truth of his demise

S1 Ep1
7.2
2nd Oct 2018
A look at the key errors made by murderers that led to their arrest, focusing this time on Paul Hutchinson, who abducted, raped and strangled Colette Aram in 1983.

S1 Ep2
7.4
9th Oct 2018
A look at how detectives uncovered the crimes of wife-killer Nat Fraser, revealing how the scheming murderer botched the seemingly perfect plot.

S1 Ep3
6.9
16th Oct 2018
A closer look at the subtle clues that led police to Jesse Matthew, a former cab driver who kidnapped and killed two Virginia college students.

S1 Ep4
6.9
23rd Oct 2018
A look at how police tracked down Stephen Port, the east Londoner responsible for murdering at least four men and committing multiple rapes.

S1 Ep5
6.7
30th Oct 2018
The story of how police closed the net on rogue cop Kent McGowen after he killed a woman at her home in Houston in 1992.

S1 Ep6
5.9
6th Nov 2018
An in-depth look at how Arizona serial killer William Inmon was brought to justice after killing three people.

S1 Ep7
7.0
13th Nov 2018
An in-depth look at how police brought Tony McCluskie to justice after he murdered and dismembered his sister, EastEnders actress Gemma McCluskie, in 2012.

S1 Ep8
6.1
27th Nov 2018
The story of how, in 2009, police closed the net on Anthony Sowell, the prolific American serial killer known as the Cleveland Strangler.

S1 Ep9
7.1
4th Dec 2018
A look at how the Thames Valley Police investigated the death of a wealthy Oxford antiques dealer and ultimately tracked down and caught his killer.

S1 Ep10
6.7
11th Dec 2018
The murder of four members of the Ding family by Anxiang Du in Northamptonshire in 2011, focusing on the key error that he made which led to his arrest.
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The first episode of A Killer's Mistake aired on October 02, 2018.
The last episode of A Killer's Mistake aired on May 03, 2025.
There are 50 episodes of A Killer's Mistake.
There are 5 seasons of A Killer's Mistake.
Yes.
A Killer's Mistake is set to return for future episodes.