

A killer no one would suspect: Grandma.
Killer Grannies is a true-crime documentary series on Oxygen True Crime that profiles shocking real-life cases where grandmothers turn into cold-blooded killers. Hosted by June Squibb, each self-contained episode follows investigators as they unravel the sinister plots and dark deeds of a seemingly innocent, maternal matriarch of a family.
The show's tagline is: "A killer no one would suspect: Grandma."
The series spans 1 season with 8 episodes in total (avg. 8 per season).
The show is currently in production with new episodes still being made.
Originally aired on Oxygen.
Executive produced by Josh Bingham.

2023
For the first time, key figures from John Lennon's life and death—including friends, doctors, and investigators—share personal memories and reveal what happened on the night of his killing.

2025
Maggie and Alex enjoy a lavish life of privilege as members of one of South Carolina's most powerful legal dynasties. But when their son Paul is involved in a deadly boat crash, the family is faced with a test unlike any they've ever encountered. As details come to light and new challenges emerge, the family's connections to several mysterious deaths raise questions which threaten everything Maggie and Alex hold dear.

2024
They know how to kill and how to cure. Inside a hospital, at home, or maybe even next door. They are trained to save lives but also know how to take them. Delve into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

2019
Stories of murder investigations that gradually exposed one truth after another, revealing the sinister underbelly beneath seemingly placid communities.

2017

2015
Robert Durst, scion of NY's billionaire real-estate family, has been accused of three murders but has evaded justice for over 30 years. Durst speaks in this true crime series, revealing secrets of a case that has baffled authorities.

2019
Hosted by LisaRaye, Murder in the Thirst explores scandalous and shocking true-crime stories. With stylized recreations of the crimes themselves and interviews with the real-life players involved, the show explores what pushes someone to murder.

2019
When justice fails, we are in danger of becoming its victim. Sandra Gaudet, 14 years old, was murdered in Val-d’Or in 1990. Two young men falsely accused are sentenced to life. When justice isn’t seeking the truth.

2019
A journalist races to learn the truth when human remains are found in the home of self-proclaimed Satanist "Pazuzu".
Masterpiece
1 votes
Killer Grannies
Returning Series
Yes
TV-14
English
11/9/2025
12/28/2025

