How many movies have Akira Toriyama and Teruhisa Ryu collaborated on?

They have worked on 5 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: Super Android 13! (1992). They have not worked together since Dragon Ball Z: Super Android 13! (1992). They are most known for their animation films together.