Sofia the First: The Mystic Isles is an upcoming television special of the Disney Junior animated series, Sofia the First. It is scheduled to premiere sometime in Summer 2017.
- This will be the fifth TV Special movie in the Sofia the First series, following Once Upon a Princess, The Floating Palace, The Curse of Princess Ivy and Elena and the Secret of Avalor.
- This is the sixth installment of the Secret Library story arc, preceded by "The Secret Library", "Olaf and the Tale of Miss Nettle", "The Tale of the Noble Knight", "Elena and the Secret of Avalor" and "The Secret Library: Tale of the Eternal Torch".
- This is the second time Sofia has someone coming with her on her Storykeeper adventure, first was Aunt Tilly in "The Secret Library".