Sofia the First: Once Upon a Princess is an animated special that premiered on November 18, 2012 on Disney Channel and November 22, 2012 on Disney Junior. It serves as the pilot film for Sofia the First,[1] which premiered on January 11, 2013. Set in the storybook world of Enchancia, Sofia is an average girl whose life suddenly transforms when her mother marries the king and she becomes a princess. Sofia's royal adventure begins as she prepares to move into the castle with her mom, starting a ne