Pooh's Adventures of Sofia the First: Once Upon a Princess is a Fantasy Special That Could Be Created by RatiganRules. It is unknown when the film will be made.
When her mother marries the king, Sofia becomes a member of the royal family and moves into their grand palace, with Winnie the Pooh, Bloom, Simba, Ronald McDonald and their friends visiting. She attends a preparatory school under the tutelage of fairies Flora, Fauna and Merryweather in order to train for her new role as princess. With the help of a magic amulet that enables her to talk to animals and an appearance from Pooh's old friend, Cinderella, Sofia adjusts to her new surroundings and tries to form a bond with her initially reluctanct step-sister Amber.
- Bloom, Stella, Flora, Musa, Tecna, Layla, Roxy, Simba, Timon, Pumbaa, Louis, Genie, Sebastian, Mushu, Cri-Kee, Zoey, Mike, Cameron, Princess Odette, Phineas, Ferb, Candace, Isabella and the Fireside Girls, Ronald McDonald and his friends, Matt, Inez, Jackie, Digit, and Earl Sinclair and his family wll guest star in this film.
- The Winnie the Pooh series, The Lion King, The Princess and the Frog, Aladdin, The Little Mermaid, Mulan, Phineas and Ferb, and Sofia the First: Once Upon a Princess were all made by Disney.
- The storyline continues in Pooh's Adventures of Sofia the First.