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Killer Grannies is a new Oxygen True Crime show that delves into the real-life cases of murders committed by grandmothers. The show will premiere on November 9, 2025, at 8:00 p.m. ET on the Oxygen True Crime channel. For non-cable users, the full episodes will be streamed on the Oxygen app and Peacock the following day.
Actress June Squibb hosts the show. Each episode of Killer Grannies presents a complete story, utilizing footage from police cases that are years old, interviews with detectives and family members, and reenactments to reveal what happened.
Created by Jarrett Creative Group, the series explores why women, who are often perceived as warm and compassionate, resort to committing crimes.
When and where to stream Killer Grannies
The season premiere of Killer Grannies airs on Sunday, November 9, 2025, at 8:00 p.m. ET on Oxygen True Crime. New episodes will be released weekly, every Sunday at the same time.
Here is a table showing the premiere time in major U.S. time zones on November 9, 2025. For updates on schedule changes, check the official Oxygen website.
| Eastern Standard Time (EST) | 8:00 p.m. |
| Central Standard Time (CST) | 7:00 p.m. |
| Mountain Standard Time (MST) | 6:00 p.m. |
| Pacific Standard Time (PST) | 5:00 p.m. |
| Alaska Standard Time (AKST) | 4:00 p.m. |
| Hawaii-Aleutian Standard Time (HST) | 3:00 p.m. |
Cable and satellite subscribers can watch directly through providers such as Comcast, DirecTV, or Dish Network. For streaming, episodes are available on the Oxygen app starting the day after they air.
Peacock, NBCUniversal's streaming service, also offers on-demand viewing of the full season shortly after it airs. The Oxygen app can be downloaded for free on iOS and Android devices; however, it requires a cable login for live TV. Peacock has a free option with advertising and a no-ad version for $5.99 per month.
All about the Killer Grannies
Killer Grannies is a true crime show (Image via Unsplash/ @ Andryck Lopez)Killer Grannies provides detailed looks at true crime cases centered on grandmothers who committed murders. The series utilizes real evidence and interviews with individuals close to the events to present the facts. Season 1 began planning in early 2025 and will feature weekly episodes. According to the episode listing on IMDb, the first season will consist of eight episodes.
As of now, detailed episode titles beyond the first two have not been publicly released. Episode 1 is titled Granny’s Fatal Fantasy, and episode 2 is Granny's Garden.
Previews suggest stories about family betrayals and hidden motives. Each hour-long episode covers a single case from start to finish, making it straightforward to watch without prior knowledge. The show avoids graphic details and focuses on the investigation process to keep it suitable for mature audiences interested in psychology and law.
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Host and production team
June Squibb at "Eleanor The Great" New York screening (Image via Getty)June Squibb hosts the series, drawing on her extensive experience in acting to guide viewers through the cases. She earned an Oscar nomination for Nebraska in 2013 and starred in Thelma in 2024, where she played a determined older woman.
The production is led by executive producers Seth Jarrett, Julie Insogna Jarrett, and Josh Bingham from Jarrett Creative Group. This team has made other true crime shows for Oxygen. Filming is conducted in secure locations to respect the privacy of ongoing cases.
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What to expect from Killer Grannies
Viewers can expect true-crime drama with a chilling twist: the trusted grandmother figure turned murderer. The series aims to challenge expectations and explore how even the most seemingly benign family matriarch can harbour deadly secrets. Each episode peels back a facade of domestic normality to reveal hidden motives and consequences.
The official synopsis by Oxygen reads:
"A true-crime series that chronicles the most shocking and unpredictable cases involving a killer no one would suspect: grandma. In every self-contained episode, a rollercoaster ride of a case unfolds as investigators dig deep and chase every lead until they finally catch their unexpected killer."The format is geared toward adult audiences, given subject matter involving crime, violence, and investigation.
Interested viewers can watch the premiere of Killer Grannies on November 9, 2025, on the Oxygen True Crime channel.
Also read: The true story behind Theresa Cox's brutal crime against her ex-husband
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Edited by Riya Peter
English (US)