Duo Force is a series of American animated action adventure comedy crossover movies produced by Walt Disney Pictures and Walt Disney Studios.
Movies[]
- Phineas and Ferb in Gravity Falls (2012)
- School Ninjas (2012)
- Wander Over Gravity Falls With Phineas and Ferb and the 9th Grade Ninja (2013)
- Star vs. Phineas and Ferb, Gravity Falls, The 9th Grade Ninja, and The Galaxy (2015)
- The Ultimate Duo Force (????)