Grandma hypnotizes kids from a school

A young boy named Luke and his grandmother go on vacation only to discover their hotel is hosting an international witch convention, where the Grand High Witch is unveiling her master plan to turn all children into mice. Will Luke fall victim to the witches' plot before he can stop them?

In late 1967, a young orphaned boy goes to live with his loving grandma in the rural Alabama town of Demopolis. As the boy and his grandmother encounter some deceptively glamorous but thoroughly diabolical witches, she wisely whisks him away to a seaside resort. Regrettably, they arrive at precisely the same time that the world's Grand High Witch has gathered.

A small girl keeps talking to the spirit of her dead grandmother. When her private tutor finds out about this, she sets out to help the girl and the spirit.

As a woman consults a professional hypnotist, her father goes to another hypnotist and picks up a few tricks of his own..

A hypnotist tricks his patients.

A young mechanical genius invents a recording device that can play back the voices of the dead. Here, the voice is that of the genius's evil-dead grandmother. A woman whose malign influence scarred her own children for life and corrupted the innocence of her grandchildren.

An evil grandmother torments her granddaughter.

A guy is obsessed with scaring his grandmother...