How many movies have Joe Gall and Leslie Lamers collaborated on?

They have worked on 3 movies together! Their first movie together was The Batman/Superman Movie: World's Finest (1997) while their highest rated movie together was Batman Beyond: Tech Wars / Disappearing Inque (1999). They have not worked together since Scooby-Doo! and the Cyber Chase (2001). They are most known for their animation films together.