How many movies have Kyuta Sakai and Tadayoshi Yamamuro collaborated on?

They have worked on 2 movies together! Their first movie together was Dr. Slump: Arale's Surprise Bang (1999) while their highest rated movie together was Digimon Adventure 02: Hurricane Touchdown! The Golden Digimentals (2000). They have not worked together since Digimon Adventure 02: Hurricane Touchdown! The Golden Digimentals (2000).