How many movies have Akira Toriyama and Yasuhiko Kawazu collaborated on?

They have worked on 4 movies together! Their first movie together was Dragon Ball Z: Broly - The Legendary Super Saiyan (1993) while their highest rated movie together was Dragon Ball Z: Wrath of the Dragon (1995). They have not worked together since Dr. Slump: Arale's Surprise Bang (1999). They are most known for their animation films together.