How many movies have Gerhard Heinz and Harald Vock collaborated on?

They have worked on 6 movies together! Their first movie together was Always Trouble with the Teachers (1968) while their highest rated movie together was Immer Ärger mit Hochwürden (1972). They have not worked together since Die Schokoladenschnüffler (1986). They are most known for their comedy films together.