How many movies have Gernot Möhner and Günter Geiermann acted in together?

They have worked on 3 movies together! Their first movie together was Schoolgirl Report Part 3: What Parents Find Unthinkable (1972) and was their highest rated movie together. They have not worked together since Hausfrauen-Report 6: Warum gehen Frauen fremd? (1977). They are most known for their comedy films together.