How many movies have George Lucas and Rosemary Anne Sisson collaborated on?

They have worked on 4 movies together! Their first movie together was The Adventures of Young Indiana Jones: Attack of the Hawkmen (1999) while their highest rated movie together was The Adventures of Young Indiana Jones: Journey of Radiance (2000). They have not worked together since The Adventures of Young Indiana Jones: Love's Sweet Song (2000). They are most known for their tv movie films together.