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Killer Grannies

Killer Grannies (2025)

November. 09,2025

5.7

TV-14

| Crime Documentary

Killer Grannies

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 / TV-14

Seasons & Episode

Seasons 1 : 2025

8 Episode

Episode 1 - Granny's Fatal Fantasy

November. 09,2025

A beloved chef and cooking instructor is found shot to death at work, and investigators are left baffled. But when a loved one's strange behavior draws their attention, detectives discover the killer has been right in front of their eyes.

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Episode 2 - Granny's Garden

November. 16,2025

An ailing man isn't seen for weeks, and his family and friends grow concerned. When his wife is confronted about her changing stories, her revelation shocks the community...and everyone who knows and loves her as a dedicated grandmother.

Episode 3 - Granny's Addiction

November. 23,2025

A Florida woman is shot in her vacation rental, and the hunt for her killer connects back to a murdered Minnesota farmer. Clues point to a doting grandmother living a double life, who then leads authorities on a multi-state chase.

Episode 4 - Granny's Under the Bridge

November. 30,2025

An Oregon grandmother found wounded on the roadside tells rescuers that her husband is missing after a boat sale went awry. A massive manhunt ensues but as authorities investigate, granny's wild story unravels to reveal a darker truth.

Episode 5 - Granny's Boarding House

December. 07,2025

A Granny is thought of as a 'Mother Teresa' to the downtrodden thanks to the boarding house she runs. But when a social worker raises fears for a missing client, investigators find that Granny's carefully tended garden hides horrors.

Episode 6 - Granny's Word v Granny's Word

December. 14,2025

An Army vet is found dead on his farm. It first looks like the tragic suicide of a troubled veteran, but police uncover a sprawling cover-up and two grannies whose dueling stories collide in a troubling "she said, she said" murder mystery.

Episode 7 - Granny's Killer Gravy

December. 21,2025

A veteran cop falls for a beloved grandma he hopes to spend the rest of his life with, but when a home cooked meal sends them both racing to the hospital - this granny's gravy, and her sordid past, are brought under scrutiny.

Episode 8 - Granny's Wishing Well

December. 28,2025

A respected Fire Department Captain disappears during a fishing trip, but an exhaustive search turns up nothing. Almost two years later, a tip reveals a sinister tale of manipulation and a granny whose wishing well hides buried secrets.