Oxygen Insider Exclusive!

Create a free profile to get unlimited access to exclusive videos, breaking news, sweepstakes, and more!

Sign Up for Free to View
Serial Killer Week What To Watch On Oxygen

Bloodthirsty Grandmas, Murderous Masterminds — Oxygen's Serial Killer Week Has It All

Serial Killer Week, a nine-night event on Oxygen this April, is diving into the most notorious serial killers of all time.

By Becca van Sambeck
Rifkin Macarthur Bundy

The most fearsome and fascinating criminals of all time are coming to Oxygen this April.

Serial Killer Week, a nine-night event running from Saturday April 10 to Sunday April 18 on Oxygen, will feature shows and specials about serial killers who make people's skin crawl to this day. Learn all about Dorothea Puente, a seemingly sweet grandma running a deadly operation, in "Murders At The Boarding House," Joel Rifkin, one of New York's most prolific serial killers, in “Rifkin on Rifkin: Private Confessions of a Serial Killer,” and Bruce McArthur, the former mall Santa who terrorized Toronto's LGBTQ community, in "Catching A Killer: Bruce McArthur." Plus, expect episodes from Oxygen hits about some of the most notorious serial killers of all time.

New seasons of Oxygen classics like "Accident, Suicide or Murder" and "Mark of a Serial Killer" will debut as well during Serial Killer Week.

Here's what else to expect and when on Oxygen during the biggest event for true crime lovers this spring:

Rifkin on Rifkin: Private Confessions of a Serial Killer Premieres Saturday, April 10th

Through newly revealed interviews from Attica Correctional Facility, New York’s most prolific serial killer, Joel Rifkin, reveals exclusive insights into the mind of a monster.

With unprecedented access to Rifkin’s childhood friends, investigators on the case, and those closest to the victims, viewers will gain fresh perspective into the psyche of the infamous serial killer. How did he continue to fly under the radar while committing 17 murders? Those closest to the case reveal how Rifkin became the invisible madman who made headlines and *almost* got away with murder.

“Snapped” – New Episode Airing Sunday, April 11 at 6/5c

Snapped Header 02

While investigating a missing Oregon handyman, police stumble upon human remains and are left searching a stunning crime scene straight out of a horror movie. 

“Catching a Serial Killer: Bruce McArthur" — Sunday, April 11 at 7/6c

Catching a Serial Killer: Bruce McArthur Premieres Sunday, April 11th

Bruce McArthur was many things: friend, grandfather, mall Santa, landscaper, and a ruthless serial killer who buried his victims’ body parts in the yards of his posh clientele. “Catching a Serial Killer: Bruce McArthur” unravels the twists and turns of the shocking investigation into Toronto’s most prolific serial killer. Through exclusive interviews with McArthur’s close friends, homicide investigators, as well as expert analyses by leading criminologists and forensic psychologists, this two-hour special uncovers how McArthur targeted, terrorized and murdered members of Toronto’s LGBTQ+ community in The Village for nearly a decade before getting caught. 

“Mark of a Serial Killer” New Episode — Monday, April 12 at 8/7c


Roadway Killers Are Still Active In United States Today

A killer is murdering and mutilating young women along the Route 40 corridor in Delaware. But when investigators set up an undercover operation, the hunter soon becomes the hunted.

“Mark of a Serial Killer” New Episode — Tuesday, April 13 at 8/7c

After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar. Police ask the public for help in tracking down a dangerous drifter before he kills again.

“Mark of a Serial Killer” New Episode — Wednesday, April 14 at 8/7c

A series of women in the Seattle area are found brutally murdered, their bodies posed. Police realize they may have a killer stalking the area nightclub scene, one who is able to charm his victims into submission. 

“Living with a Serial Killer” Premiere — Wednesday, April 14 at 9/8c

Living with a Serial Killer Airs Wednesday, April 14th

Spree killer Joanne Dennehy stabbed three men to death in 2013. Now, for the first time, Dennehy’s daughter Shianne shares how she has struggled to come to terms with the realities of being the child of Britain’s most dangerous woman.

“Mark of a Serial Killer” New Episode — Thursday, April 15 at 8/7c

Chicago police are investigating the murders of several women, whose bodies are discovered in abandoned buildings barefoot. Evidence indicates there is one offender, now police need to locate him.

"Living with a Serial Killer" New Episode — Thursday, April 15 at 9/8c


Peter Tobin raped and murdered Angelika Kluk in 2006, but police suspected this was not his first kill. With the help of Tobin’s ex-wife Cathy Wilson, a ground-breaking investigation unearthed more victims, and revealed Tobin as a serial killer.

"Mark of A Serial Killer" New Episode — Friday, April 16 at 8/7c

Chicago detectives believe a serial killer is using the classified ads to lure and murder his victims. The investigation is set ablaze when flames literally obliterate evidence, but then police make a shocking discovery. 

"Living With A Serial Killer" New Episode — Friday, April 16 at 9/8c

For 10 days in 2006, an unidentified killer terrified the rural town of Ipswich snatching five prostitutes from the streets and strangling them to death. When Pam Wright discovers that the killer was her own partner, her world begins to crumble.

“Murders at the Boarding House" Part One — Saturday, April 17 at 7/6c

Matbh 800x450

When the Sacramento Police Department receives a missing person’s report from a concerned social worker, they send Det. John Cabrera to the boarding house where the individual was last seen. The elderly landlady, Dorothea Puente, is friendly and cooperative, but when Cabrera discovers human remains in the backyard, Puente falls under suspicion of murder. Then with police getting closer to unearthing the rest of the bodies, the old lady gives Cabrera the slip and goes on the run.  

“Accident, Suicide or Murder” Season Premiere — Saturday, April 17 at 8:30/7:30c


A weekend trip to an Alaskan lodge turns deadly for a young mother when she’s shot and killed by her boyfriend. The death is ruled an accident and the case is closed until an eerily similar incident in Montana drives investigators to reopen the case.

"Snapped" New Episode — Sunday, April 18 at 6/5c

After detectives discover a beloved fire chief’s dismembered torso in his own barn, they must rush to find his missing wife. Are they both victims, or is this couple hiding dark secrets?

“Murders at the Boarding House” Part 2 — Sunday, April 18 at 7/6c


Detective John Cabrera must piece together the clues of Dorothea Puente’s dark past to form a picture of the grandmotherly serial killer. Meanwhile, Puente is hiding out in an L.A. motel, and lining up her next victim – an elderly man she meets in a bar. But when the man recognizes Puente’s face on the news, he contacts the police and Puente is caught. Back in Sacramento, prosecutors embark on the case against Puente, and after a long, difficult trial, the judge sentences Dorothea Puente to life in prison. 

"Mastermind of Murder" Series Premiere — Sunday, April 18 at 8:30/7:30c

Mastermind of Murder Premieres Sunday, April 18th

A man is shot after answering a local help wanted ad. Detectives soon discover there are other victims with eerily similar stories. Their quest to locate a possible serial killer leads them to a suspected killer working for an evil manipulator. 

About Oxygen:  

Oxygen is a multiplatform crime destination brand for women. Having announced the full-time shift to true crime programming in 2017, Oxygen remains one of the fastest growing cable entertainment networks with popular unscripted original programming that includes the flagship “Snapped” franchise, “Cold Justice,” “Killer Couples,” “Criminal Confessions,” and breakout hit event series such as “The Disappearance of Natalee Holloway,” “Dahmer on Dahmer: A Killer Speaks,” and “Aaron Hernandez Uncovered.” Available in more than 77 million homes, Oxygen is a network of NBCUniversal Entertainment & Lifestyle Group, a division of NBCUniversal, one of the world's leading media and entertainment companies in the development, production, and marketing of entertainment, news and information to a global audience. Watch Oxygen anywhere: On Demand, online, or across mobile and connected TVs.