How many movies have Joey Mazzarino and Ken Diego collaborated on?

They have worked on 4 movies together! Their first movie together was Sesame Street: Elmo Saves Christmas (1996) while their highest rated movie together was Sesame Street: Elmo's World: The Street We Live On! (2004). They have not worked together since Sesame Street: Elmo's Magic Numbers (2012). They are most known for their family films together.