How many movies have George Lucas and Sean Patrick Flanery collaborated on?

They have worked on 17 movies together! Their first movie together was The Adventures of Young Indiana Jones: Tales of Innocence (1999) while their highest rated movie together was The Adventures of Young Indiana Jones: The Phantom Train of Doom (1999). They have not worked together since The Adventures of Young Indiana Jones: Winds of Change (2000). They are most known for their tv movie films together.