How many movies have Akira Toriyama and Katsumi Aoshima collaborated on?

They have worked on 6 movies together! Their first movie together was Dragon Ball: Curse of the Blood Rubies (1986) while their highest rated movie together was Dragon Ball Z: Cooler's Revenge (1991). They have not worked together since Dr. Slump: Arale's Surprise Bang (1999). They are most known for their animation films together.