How many movies have Peter Fricke and Reinhard Schwabenitzky collaborated on?

They have worked on 6 movies together! Their first movie together was Non-Stop Trouble With the Experts (1988) while their highest rated movie together was Zwei Väter einer Tochter (2003). They have not worked together since Conny und die verschwundene Ehefrau (2005). They are most known for their comedy films together.