How many movies have Bill Irwin and Kevin Clash acted in together?

They have worked on 4 movies together! Their first movie together was Sesame Street: Elmo's World: Families, Mail & Bath Time! (2004) while their highest rated movie together was Sesame Street: Elmo's World: Reach for the Sky! (2006). They have not worked together since Sesame Street: Elmo's World: Penguins and Friends (2011). They are most known for their family films together.