How many movies have Peter W. Bachmann and Susann Schraub-Aderhold collaborated on?

They have worked on 1 movie together! Their first movie together was Die Wurzeln der Leute reichten bis zum Mittelpunkt der Erde (2021) and was their highest rated movie together. They have not worked together since Die Wurzeln der Leute reichten bis zum Mittelpunkt der Erde (2021).