Phineas and Ferb/ Gravity Falls Crossover Film is a film in 2016 that will be premiring in the USA in May 4, 2016, and World Wide in July 5, 2016. The film was also in IMAX 3D and Disney Digital 3D.
- Jason Ritter as Dipper Pines
- Kristen Schaal as Mabel Pines
- Alex Hirsch as Grunkle Stan/ Soos
- Linda Cardellieni as Wendy
- Thuroup Van Orman as 'Lil Gideon
- Mark Hammill as The Whisperer
- Vincent Martella as Phineas/ Alt. Phineas
- Ashley Tisdale as Candace/ Alt. Candace
- Thomas Sangster as Ferb/ Alt. Ferb
- Alyson Stoner as Isabella/ Alt. Isabella
- Dee Bradley Baker as Perry/ Alt. Perry
- Robert Downey Jr. as Perry's Speaking Voice
- Dan Povenmire as Doofenshmirtz/ Alt. Doofenshmirtz
- This will be both series finales for both Phineas and Ferb and Gravity Falls.
- The Film will have many refrences to Silent Hill.
- The film will be the first film's in the series to be in 3D.
- Th film will be very simaler to Iron Man 3, The Avengers, and The Dark Knight Rises.
- The film will be a sequel to Phineas and Ferb: Across the 2nd Dimension.
- The film will be composed by Skrillex and Hans Zimmer.