

Synopsis
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.
Never miss an update?
Download ShowCal app, get push notifications when new episodes air
Cast
Seasons
Season 1
8 eps · 2025-11-09
This true-crime documentary series, hosted by June Squibb, chronicles shocking real-life cases where the perpetrator is the person no one would ever suspect: a grandmother.
View TMDB-provided episode dates, cast, and synopsis for Killer Grannies. Killer Grannies is listed on Oxygen.
