How many movies have Martin Todsharow and Oliver Ziegenbalg collaborated on?

They have worked on 2 movies together! Their first movie together was 1½ Ritter - Auf der Suche nach der hinreißenden Herzelinde (2008) while their highest rated movie together was Frau Müller muss weg! (2015). They have not worked together since Frau Müller muss weg! (2015).