How many movies have Megumi Hayashibara and Takashi Watanabe collaborated on?

They have worked on 1 movie together! Their first movie together was Osomatsu-kun: Go For It! Chibita's Oni War (1988) and was their highest rated movie together. They have not worked together since Osomatsu-kun: Go For It! Chibita's Oni War (1988).