How many movies have Kappei Yamaguchi and TARAKO acted in together?

They have worked on 4 movies together! Their first movie together was Chibi Maruko-chan (1990) while their highest rated movie together was Chibi Maruko-chan: My Favorite Song (1992). They have not worked together since Yona Yona Penguin (2009). They are most known for their animation films together.