How many movies have Kuniko Wakiyama and Naozumi Yamamoto collaborated on?

They have worked on 3 movies together! Their first movie together was Tora-san's Cherished Mother (1969) while their highest rated movie together was Tora-san's Grand Scheme (1970). They have not worked together since Tora-san's Grand Scheme (1970). They are most known for their comedy films together.