How many movies have Hajime Hana and Hiroaki Hagiwara collaborated on?

They have worked on 12 movies together! Their first movie together was スーダラ節　わかっちゃいるけどやめられねぇ (1962) and was their highest rated movie together. They have not worked together since 花も実もある為五郎 (1971). They are most known for their comedy films together.