The WORST episodes of An Unexpected Killer

Every episode of An Unexpected Killer ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of An Unexpected Killer!

A look at homicide investigations that conclude with the killer's true identity coming as a shocking surprise.

Last Updated: 5/10/2024Network: OxygenStatus: Continuing
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The Runaway Murderer
star
6.70
20 votes

#1 - The Runaway Murderer

Season 2 - Episode 18 - Aired 5/28/2021

A glamorous 85-year-old millionaire is found stabbed in her basement, sending police on an international investigation that unearths devilish secrets, double lives and a killer no one saw coming whose tricks wouldn’t stop even after their arrest.

Watch Now:Amazon
Gone Without a Trace
star
6.78
18 votes

#2 - Gone Without a Trace

Season 2 - Episode 14 - Aired 4/30/2021

A divorced mother of three is savagely stabbed to death while recovering from major surgery, but police are frustrated by a lack of evidence. After turning cold, the case is reignited by a startling admission that finally leads police to the killer.

Watch Now:Amazon
star
6.82
17 votes

#3 - When the Lights Go Out

Season 3 - Episode 16 - Aired 10/21/2022

When a young mother and beloved coworker is found savagely stabbed in her bedroom, investigators are unable to pin down a killer until secret recordings and evidence stashed in a van lead to a sinister plot and horrific confession.

Watch Now:Amazon
Burned and Betrayed
star
7.09
22 votes

#4 - Burned and Betrayed

Season 2 - Episode 20 - Aired 6/11/2021

After the burned body of a young nursing student is discovered near a rural road, detectives investigate several suspects until the trail of evidence unearths a disturbing and predatory plot.

Watch Now:Amazon
Nightmare in Shenandoah
star
7.10
21 votes

#5 - Nightmare in Shenandoah

Season 3 - Episode 5 - Aired 4/1/2022

A devoted mother is stabbed to death in a horrifying attack and suspicion falls on those closest to her, but while a cryptic note and a violent crime spree baffle detectives at first, they eventually track down a deranged killer no one predicted.

Watch Now:Amazon
star
7.12
17 votes

#6 - A Family Affair

Season 3 - Episode 15 - Aired 10/14/2022

When a family that runs a beloved vet clinic is gunned down, police investigate disgruntled tenants, a pet owner with an axe to grind and an estranged son. The case stalls until detectives uncover a twisted plot by someone who seemed above suspicion.

Watch Now:Amazon
Deadly Betrayal
star
7.17
35 votes

#7 - Deadly Betrayal

Season 1 - Episode 8 - Aired 1/23/2020

When a loving father and beloved basketball coach is murdered in Tennessee, police decode a confusing array of evidence to unveil a killer who is shockingly close to home.

Watch Now:Amazon
star
7.18
17 votes

#8 - Murder in the Canyon

Season 3 - Episode 20 - Aired 11/18/2022

When an outgoing college student is gunned down, police investigate disapproving roommates, a psychic, and an infamous serial killer. However, decades-old evidence reveals a killer that original detectives had previously overlooked.

Watch Now:Amazon
New Jersey Nightmare
star
7.19
27 votes

#9 - New Jersey Nightmare

Season 2 - Episode 7 - Aired 2/26/2021

A recently retired woman is found savagely murdered, and detectives must battle a lack of evidence and track down a long list of suspects to find a killer nobody saw coming.

Watch Now:Amazon
Wolf in Sheep’s Clothing
star
7.25
20 votes

#10 - Wolf in Sheep’s Clothing

Season 2 - Episode 19 - Aired 6/4/2021

When a beloved elderly woman is viciously murdered, detectives discover a chilling connection to another unsolved murder. The trail points to someone from her past and investigators race to hunt the killer down before they can strike again.

Watch Now:Amazon
star
7.29
14 votes

#11 - Murder After Midnight

Season 3 - Episode 18 - Aired 11/4/2022

After a Texas mother is found murdered in an office bathroom, her husband admits a disturbing past while police chase down a serial killer; the case goes cold until an oversight leads to a surprise suspect and an FBI manhunt south of the border.

Watch Now:Amazon
Deadly Desires
star
7.32
22 votes

#12 - Deadly Desires

Season 3 - Episode 6 - Aired 4/8/2022

A vibrant young mother of three is murdered in the safety of her own home and investigators look to a history of troubled romances, but when the case goes cold and police can't find the killer, a phone call leads to a culprit hiding in plain sight.

Watch Now:Amazon
Twisted Betrayal
star
7.33
39 votes

#13 - Twisted Betrayal

Season 2 - Episode 1 - Aired 1/15/2021

When a devoted mother with a bright future in show business is ruthlessly gunned down, a number of suspects emerge, but just as detectives think they have the killer in their sights, the investigation takes a jaw dropping turn.

Watch Now:Amazon
A Predator Within
star
7.34
29 votes

#14 - A Predator Within

Season 3 - Episode 1 - Aired 3/4/2022

A Predator Within- When an athletic and popular college student is violently murdered in her apartment, police track down several surprising suspects, including one with a disturbing obsession, before crucial evidence unmasks a dangerous predator no one saw coming.

Watch Now:Amazon
star
7.35
17 votes

#15 - Trail of Evidence

Season 3 - Episode 19 - Aired 11/11/2022

When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for a killer; detectives follow a path of greed and desperation until a shocking twist leads to a culprit with a bizarre motive.

Watch Now:Amazon
star
7.35
17 votes

#16 - Blood Runs Thick

Season 3 - Episode 17 - Aired 10/28/2022

Could the execution-style shooting of a well-loved, self-made couple be a tragic case of mistaken identity? Early leads take police down a path of greed and desperation until a paper trail leads to a calculated betrayal shockingly close to home.

Watch Now:Amazon
The Ties That Bind
star
7.36
14 votes

#17 - The Ties That Bind

Season 3 - Episode 9 - Aired 4/29/2022

A wealthy trader and father of four is gunned-down at home while his family is tied up in a closet. Police dig into affairs, mob links and a missing coworker, until a chilling new lead and a taped phone call reveal a shocking plot decades later.

Watch Now:Amazon
Deadly Intentions
star
7.36
42 votes

#18 - Deadly Intentions

Season 1 - Episode 7 - Aired 1/16/2020

When a devoted mother about to embark on a new life is murdered in her own home, detectives follow the evidence through a tangled web of relationships to unmask a killer no one could have predicted.

Watch Now:Amazon
Shot In The Dark
star
7.37
19 votes

#19 - Shot In The Dark

Season 3 - Episode 7 - Aired 4/15/2022

A brutal assassination, bitter custody dispute and a gunman's cryptic words send police scrambling on an interstate hunt to find the killer of a beloved father and husband, revealing a hair-raising plot more sinister than anyone suspected.

Watch Now:Amazon
Second Chance to Kill
star
7.41
22 votes

#20 - Second Chance to Kill

Season 2 - Episode 16 - Aired 5/14/2021

Police hunting the killer of a beloved grandfather believe his missing truck holds the key to the case. After hunting down suspect after suspect, local PD found a killer close to home, wielding a shocking kill weapon in a story of sickening betrayal.

Watch Now:Amazon
New Mexico Massacre
star
7.42
45 votes

#21 - New Mexico Massacre

Season 1 - Episode 6 - Aired 1/9/2020

A couple and their special needs son are savagely murdered in rural New Mexico, leading detectives to uncover long-buried secrets in a tight-knit town.

Watch Now:Amazon
Murderer on Main St.
star
7.43
14 votes

#22 - Murderer on Main St.

Season 2 - Episode 11 - Aired 3/26/2021

A beloved resident of a tight-knit Nebraska town is murdered, leading detectives to look at a wide range of suspects before the trail leads to a killer who lives among them.

Watch Now:Amazon
The Finger of Suspicion
star
7.44
18 votes

#23 - The Finger of Suspicion

Season 2 - Episode 17 - Aired 5/21/2021

A beautiful young woman is killed in her own bedroom and the evidence appears to point a clear suspect, but police soon discover not everything is as it seems. It takes 30 years and stunning new evidence to reveal a killer hiding in plain sight.

Watch Now:Amazon
Closet Murderer
star
7.46
26 votes

#24 - Closet Murderer

Season 2 - Episode 10 - Aired 3/19/2021

When a 98-year-old widow is found dead in her entryway closet, a chilling discovery leads investigators to a killer in the community who harbors a dark secret.

Watch Now:Amazon
Modern Family Murder
star
7.46
80 votes

#25 - Modern Family Murder

Season 1 - Episode 1 - Aired 12/5/2019

A selfless couple, Robert and Kathryn Swartz, were found brutally murdered on the first snowy morning of January 1984. As investigators arrived at the scene of the crime, they struggled to find the true motive on why this religious couple who were deeply devoted to their family and charitable causes were killed. But as they dug deeper into the case, investigators uncovered dark family secrets ultimately leading them to a suspect no one saw coming.

Watch Now:Amazon