How many movies have Christian Nauheimer and Gudrun Roscher collaborated on?

They have worked on 6 movies together! Their first movie together was Die Mütter-Mafia (2014) while their highest rated movie together was Die Müttermafia-Patin (2015). They have not worked together since Wenn Papa auf der Matte steht (2023). They are most known for their comedy films together.