How many movies have Naozumi Yamamoto and Shunji Sayama collaborated on?

They have worked on 8 movies together! Their first movie together was Shūmatsu-ya hanjō-ki (1962) while their highest rated movie together was Stage-Struck Tora-san (1978). They have not worked together since Tora-san's Song of Love (1983). They are most known for their comedy films together.