The Secret Library

"The Secret Library" is an upcoming episode from the Disney Junior series Sofia the First, which is scheduled to premiere sometime in October 2015.

Plot
When Sofia's Aunt Tilly visits Enchancia, she gives Sofia a special book that guides her to a secret library hidden in the castle! The library is filled with hundreds of unfinished books--and Sofia is the only one who can give each story a happy ending. Sofia selects the story of Minimus's brother, Mazzimo, who has been captured by the arrogant and greedy Prince Roderick of Borrea. It's up to Sofia and Minimus to rescue Mazzimo and grant him his one wish: to be free!

Cast

 * Ariel Winter as Sofia
 * Bonnie Hunt as Aunt Tilly
 * Eric Stonestreet as Minimus
 * Kelly Macdonald as Merida

Trivia

 * In this episode, Merida will be the first and only Disney Princess from Pixar to appear in the series and aid Sofia.
 * This will be the fifth time Sofia and Minimus go off on a mission together. The first four times were in "Finding Clover," "Princess Butterfly," "The Leafsong Festival," and "Carol of the Arrow".