How many movies have Tony Geiss and Victor DiNapoli collaborated on?

They have worked on 6 movies together! Their first movie together was Don't Eat the Pictures: Sesame Street at the Metropolitan Museum of Art (1983) 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 World: The Street We Live On! (2004). They are most known for their family films together.