Is Killer Grannies coming back?

Killer Grannies's return is unconfirmed. The series last aired its most recent episode on December 28, 2025, and has not announced a new season or episode schedule.

Killer Grannies is a true-crime series that premiered on November 9, 2025, on Oxygen True Crime. The show explores shocking and unpredictable cases involving grandmothers who commit murders. Each episode is a self-contained story that takes viewers through the investigation process, revealing how these maternal figures turned deadly through archival footage, recreations, and interviews with those involved.

The series was hosted by June Squibb and offered a detailed look into sinister plots and evil deeds within families. With a focus on real cases, the show aimed to peel back the layers of deception and uncover the motives behind these maternal killers. The episodes typically ran for about 60 minutes, providing an in-depth examination of each case.