How many movies have Hiroaki Hagiwara and Êtarô Ishibashi collaborated on?

They have worked on 5 movies together! Their first movie together was Sarari man donto bushi - Kiraku na kagyô to kita monda (1962) while their highest rated movie together was Happy Go-Lucky (1962). They have not worked together since Crazy Big Explosion (1969). They are most known for their comedy films together.