How many movies have Gunter Otto and Tanja Fielmann collaborated on?

They have worked on 5 movies together! Their first movie together was Josefine Mutzenbacher...wie sie heute wär VI (1984) while their highest rated movie together was Bumsfidel in Oberbayern (1990). They have not worked together since Heidi 2: Im Wald und auf der Heidi (1990). They are most known for their comedy films together.