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

Oct 2018 - present
6.4

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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.
S3 Ep10
8.0
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.
S1 Ep2
7.9
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 Ep9
7.8
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.
S4 Ep2
7.7
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.
S4 Ep6
7.7
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.
S5 Ep9
7.6
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.
S3 Ep1
7.6
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.
S5 Ep10
7.5
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 Ep8
7.5
19th Apr 2025
In 2014, Hollie Gazzard is murdered at work by her ex-partner in Gloucester. What critical mistake gave police what they needed to bring the killer to justice?
S1 Ep1
7.5
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 Ep7
7.4
12th Apr 2025
In Baytown, Texas, 37-year-old Crystal McDowell disappears without a trace. Can detectives uncover the mistake that gives her killer away.
S4 Ep1
7.4
6th Jan 2024
17-year-old Jayden Parkinson was attracted to the bad boy allure of Ben Blakeley. But he started to lead her down a chaotic path that resulted in her disappearance.
S4 Ep10
7.4
9th Mar 2024
Kevin Lewis's refusal to let go of his ex-wife triggers a series of events involving a teenage hitman and an obsessed lover ending in tragedy.
S1 Ep6
6.3
6th Nov 2018
An in-depth look at how Arizona serial killer William Inmon was brought to justice after killing three people.
S1 Ep8
6.6
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 Ep3
6.7
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.
S2 Ep1
7.0
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
7.0
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.
S2 Ep7
7.0
7th May 2020
The case of Rahim Mohammaddi, who brutally killed the elderly woman that took him under his wing.
S3 Ep7
7.0
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 Ep5
7.0
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.
S4 Ep9
7.0
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.
S5 Ep3
7.1
15th Mar 2025
Savannah Paschal's husband, Trent, becomes jealous and obsessive and she tries to leave. But, before she can, Trent makes a deadly decision.
S3 Ep2
7.1
30th Sep 2022
Ten iconic and international murder stories from the last three years featuring interviews with convicted killers.
S1 Ep5
7.1
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.
S5 Ep2
7.1
8th Mar 2025
Ashley Wadsworth left Canada for a new life in the UK with Jack Sepple, a man she fell for online. But her dream quickly turns into a nightmare.
S1 Ep1
7.5
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
7.9
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
7.2
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
7.3
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
7.1
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
6.3
6th Nov 2018
An in-depth look at how Arizona serial killer William Inmon was brought to justice after killing three people.
S1 Ep7
7.3
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
6.6
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
7.4
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
7.1
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.