Dipper & Mabel meet The Lion King is the first ever Gravity Falls/Disney crossover and the very first Dipper & Mabel adventure film created by 12Adventureboy/12Adventureboy2. It is unknown when it will be made.
Soos takes twins, Dipper & Mabel Pines, on vacation with to the Pridelands where they meet Simba and all of his friends who are willing take back Priderock from Simba's evil uncle Scar, and the Hyenas (whom Lil' Gideon work for), and save the Pridelands.
- Lil' Gideon will guest star in this film.
- Lil' Gideon will work with Scar and The Hyenas in this film.