The Swan Princess III and the Mystery of the Enchanted Treasure, alternatively titled The Swan Princess: The Mystery of the Enchanted Kingdom, is a 1998 American animated direct-to-video musical adventure film and the third installment in The Swan Princess franchise. It was directed again by Richard Rich, and features the voices of Michelle Nicastro and Brian Nissen as Odette and Derek. This film follows Derek and Odette having to deal with Zelda, a sorceress, who is seeking the Forbidden Arts and wishes to use it to destroy their happiness.