How many movies have Naoki Bando and Rokuro Naya acted in together?

They have worked on 2 movies together! Their first movie together was Crayon Shin-chan: The Hidden Treasure of the Buri Buri Kingdom (1994) and was their highest rated movie together. They have not worked together since ウルトラニャン2 ハッピー大作戦 (1998).