How many movies have Hideo Watanabe and Kappei Yamaguchi acted in together?

They have worked on 2 movies together! Their first movie together was Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together (2009) while their highest rated movie together was Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World (2011). They have not worked together since Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World (2011).