How many movies have Hansi Kraus and Kurt Nachmann collaborated on?

They have worked on 7 movies together! Their first movie together was Musik, Musik - da wackelt die Penne (1970) while their highest rated movie together was Kinderarzt Dr. Fröhlich (1972). They have not worked together since Das Wandern ist Herrn Müllers Lust (1973). They are most known for their comedy films together.