How many movies have Margaret M. Dean and Tristin Cole collaborated on?

They have worked on 7 movies together! Their first movie together was Scooby-Doo! and the Legend of the Vampire (2003) while their highest rated movie together was Chill Out, Scooby-Doo! (2007). They have not worked together since Chill Out, Scooby-Doo! (2007). They are most known for their animation films together.