Forbidden Zone is a 1982 musical comedy film based upon the stage performances of the Mystic Knights of the Oingo Boingo. The film stars Hervé Villechaize, Susan Tyrrell and members of the Mystic Knights of the Oingo Boingo, and features appearances by Warhol Superstar Viva, Joe Spinell and The Kipper Kids. Originally shot on black-and-white film, the story of Forbidden Zone involves an alternate universe accessed through a door in the house of the Hercules family. Directed by Richard Elfman, who co-wrote the film with fellow Mystic Knights member Matthew Bright, it was the first film scored by his brother Danny Elfman. The film was completed in twenty one days over a period of ten months with minimum production costs and Villechaize being the only actor paid for the film.

Forbidden Zone was made as an attempt to capture the essence of The Mystic Knights of the Oingo Boingo's live performances on film, and also as a means for both Richard Elfman to retire from music to work on film projects, and to serve as a transition between Oingo Boingo's former cabaret style and a New Wave-based style. Amid negative reactions to content in the film that had been perceived as being offensive, the film was screened as a midnight movie, received positive notice, and developed a cult following. In 2004, the film was digitally restored, and in 2008, the film was colorized.