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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Killer Grannies (2025) is a crime, documentary series with 1 season. Starring June Squibb. Rated 10.0/10 on TMDB. Watch it online free on ZapFlix.