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Series · 2025 · Documentary

Killer Grannies

A killer no one would suspect: Grandma.

★9.5 2025 1 Season TV-MA

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.

Seasons & episodes

1 season · 8 episodes

Granny's Fatal Fantasy

Episode 01

Granny's Fatal Fantasy

Nov 9, 2025 · 45 min

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.

Granny's Garden

Episode 02

Granny's Garden

Nov 16, 2025 · 45 min

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.

Granny's Addiction

Episode 03

Granny's Addiction

Nov 23, 2025 · 45 min

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.

Granny's Under the Bridge

Episode 04

Granny's Under the Bridge

Nov 30, 2025 · 45 min

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.

Granny's Boarding House

Episode 05

Granny's Boarding House

Dec 7, 2025 · 45 min

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.

Granny's Word v Granny's Word

Episode 06

Granny's Word v Granny's Word

Dec 14, 2025 · 45 min

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.

Granny's Killer Gravy

Episode 07

Granny's Killer Gravy

Dec 21, 2025 · 45 min

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.

Granny's Wishing Well

Episode 08

Granny's Wishing Well

Dec 28, 2025 · 45 min

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.

About the series

Killer Grannies poster
Audience score
★ 9.5 /10

based on 2 votes

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.

DocumentaryCrime

Cast

1 principal cast

June Squibb

June Squibb

Host

Where to watch Killer Grannies

Killer Grannies is available to stream on Flicksy via 6 verified sources, aggregated from publicly available embed providers. The documentary has 1 season and 8 total episodes, rated 9.5/10 by 2 viewers.

Frequently asked

How many seasons does Killer Grannies have?

Killer Grannies has 1 season with 8 episodes in total.

Is Killer Grannies still on the air?

Killer Grannies is currently in production and returning for new episodes.

What network airs Killer Grannies?

Killer Grannies airs on Oxygen.

When did Killer Grannies first air?

Killer Grannies first aired on November 9, 2025.

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