Killer Grannies (2025): cast, story & where to watch
2025 · Series · ★ 10
Released in 2025, Killer Grannies is a documentary and crime series.
What it’s about. 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.
Who’s in it. Killer Grannies stars June Squibb as Host and Terry Quillen as Martin Griesbauer.
How it landed. With an audience score of 10.0/10, Killer Grannies sits among the best-reviewed titles in the catalogue.
Where to watch. In US you can stream it on YouTube TV and OXYGEN and rent or buy it from Amazon Video, Apple TV Store, Google Play Movies and Fandango At Home. See the full, country-by-country breakdown on our where to watch Killer Grannies page.
If you liked it. Fans of Killer Grannies tend to enjoy Cosmos, Planet Earth, Planet Earth II and Vikings.
Frequently asked
- Where can I watch Killer Grannies (2025)?
- In US, Killer Grannies is available to stream on YouTube TV and OXYGEN, and rent or buy from Amazon Video, Apple TV Store and Google Play Movies. Availability varies by country — check our where-to-watch page for every region.
- Is Killer Grannies worth watching?
- Killer Grannies holds an audience score of 10.0 out of 10, and is a strong pick if you enjoy documentary and crime. Most viewers rate it highly.
- Who stars in Killer Grannies?
- Killer Grannies stars June Squibb and Terry Quillen.
- When was Killer Grannies released?
- Killer Grannies was released in 2025.