The creepy house Louise Miller walks into at the start of the movie was used by Michael Jackson in his 1983 music video "Thriller".
During the Q&A session at a personal appearance for a screening, Robyn Lively said the scene in which she and Zelda Rubinstein sit in one another's laps was filmed after lunch, and Zelda had terrible breath, which made it difficult for Robyn to keep a straight face. Robyn didn't know Zelda was in the audience.
Dan Gauthier (Brad) and Lisa Fuller (Randa) married in 1990 and are still together (as of 2022).
The film was originally intended to be a female version of Teen Wolf (1985) and it went as far as to borrow the design for the lettering, the tag line, and the shell of the plot line.
Teen Witch Live!, a comedy musical based on the film is currently at LA's famous Groundlings Theater.