8 episodes
First episode: E1

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.
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8 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
Killer Grannies first aired on November 9, 2025.
Killer Grannies currently has 1 season and 8 episodes.
No official next-episode air date is listed for Killer Grannies right now.