How many movies have Curt Geda and Glen Murakami collaborated on?

They have worked on 4 movies together! Their first movie together was Batman: Mask of the Phantasm (1993) while their highest rated movie together was Batman Beyond: Tech Wars / Disappearing Inque (1999). They have not worked together since Batman Beyond: Return of the Joker (2000). They are most known for their animation films together.