How many movies have George Lucas and Roger Mussenden collaborated on?

They have worked on 17 movies together! Their first movie together was The Adventures of Young Indiana Jones: Hollywood Follies (1994) while their highest rated movie together was The Adventures of Young Indiana Jones: Passion for Life (2000). They have not worked together since The Adventures of Young Indiana Jones: Scandal of 1920 (2000). They are most known for their tv movie films together.