How many movies have Dave Goelz and Philip Casson collaborated on?

They have worked on 5 movies together! Their first movie together was Children's Songs and Stories with the Muppets (1985) while their highest rated movie together was The Very Best of the Muppet Show (1999). They have not worked together since The Very Best of the Muppet Show (1999). They are most known for their comedy films together.