The Demon Headmaster(1996)

The Demon Headmaster is a British children's drama series based on Gillian Cross's novels, broadcast on CBBC between 1996 and 1998. The show follows a group of schoolchildren who uncover a sinister conspiracy involving their headmaster's mysterious powers of control. Across three series, the young protagonists must navigate escalating danger while uncovering the truth behind the school's dark secrets. Filmed across London and the Home Counties—including Hatch End High School and The Royal Masonic School for Girls—the series blends suspenseful storytelling with early CGI effects to create a thrilling adventure for its young audience. The show's tense atmosphere and compelling mystery made it a standout entry in British children's television.