How many movies have Akira Miyazaki and Chishū Ryū collaborated on?

They have worked on 9 movies together! Their first movie together was Tora-san's Cherished Mother (1969) while their highest rated movie together was Tora-san's Forget Me Not (1973). They have not worked together since Nagare no Fu Part I: Disturbance, Part II: Dawn (1974). They are most known for their comedy films together.