How many movies have Akira Toriyama and Katsuyoshi Nakatsuru collaborated on?

They have worked on 10 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: The History of Trunks (1993). They have not worked together since Dragon Ball Z: Battle of Gods (2013). They are most known for their action films together.