How many movies have Alyson Stoner and Derek Lee Thompson collaborated on?

They have worked on 2 movies together! Their first movie together was Phineas and Ferb: Mission Marvel (2013) while their highest rated movie together was Phineas and Ferb: Night of the Living Pharmacists (2014). They have not worked together since Phineas and Ferb: Night of the Living Pharmacists (2014).