On January 11, 2011, Disney Channels Worldwide chief Gary Marsh announced that a feature film based on Phineas and Ferb was in development by Tron: Legacy producer Sean Bailey.
Pada tanggal 11 Januari 2011, kepala Disney Channels Worldwide Gary Marsh mengumumkan bahwa sebuah film layar lebar berdasarkan Phineas dan Ferb sedang dikembangkan oleh produser Tron: Legacy Sean Bailey.