How many movies have Caroline Rhea and Mitchel Musso acted in together?

They have worked on 4 movies together! Their first movie together was Phineas and Ferb: The Fast and the Phineas (2008) and was their highest rated movie together. They have not worked together since Phineas and Ferb The Movie: Candace Against the Universe (2020). They are most known for their animation films together.