Trivia: Little Shop of Horrors
- Adaptation Sequence: Movie —> Stage musical —> Movie of musical —> (Extremely) short-lived Saturday morning cartoon show.
- Adored by the Network: Not only did David Geffen produce both the musical and film versions of Little Shop of Horrors, he also introduced Howard Ashman and Alan Menken to his longtime friend and business colleague, Jeffrey Katzenberg, then serving as chairman of the Disney film division. As a result of this meeting, Ashman and Menken ended up having a short but fruitful career for Disney, where they ended up collaborating on such Disney classics as The Little Mermaid, Aladdin, and Beauty and the Beast.
- Development Gag: As he explains in a documentary about his life and music, Alan Menken's father and many of the other men in his family are dentists — something which he also began to study for but gave up in order to pursue music instead. No doubt he and Howard Ashman had fun writing the dentist's song!
- Executive Meddling: The original ending was faithful to the stage musical, with the classic Greek Tragedy arc: Seymour kills his enemy, kills his father-figure, kills his love, then kills himself, and then gigantic Audrey II's go on a Attack of the 50-Foot Whatever rampage and take over the world. After preview audiences lambasted this ending for being "too disturbing", Howard Ashman wrote a happier one.
- Hey, It's That Guy!: Christopher Guest, Bill Murray, John Candy, and James Belushi, who replaced Paul Dooley when the film was recut.
- The Dentist's nurse is Professor Sprout!
- Hey, It's That Voice!: Audrey II is played by Levi Stubbs, better known to some as Mother Brain from Captain N: The Game Master and to others as lead singer of Motown band The Four Tops. The narrator is Stan Jones (Scourge from The Transformers).
- The Other Darrin: One member of the Greek Chorus wasn't available to shoot the studio-mandated happy ending, so the camera pans down before the third girl's face is seen.
- Recursive Adaptation: The film of the stage musical of the film.