How many movies have Dora Heldt and Mark von Seydlitz collaborated on?

They have worked on 6 movies together! Their first movie together was Dora Heldt: Urlaub mit Papa (2009) and was their highest rated movie together. They have not worked together since Dora Heldt: Herzlichen Glückwunsch, Sie haben gewonnen! (2014). They are most known for their comedy films together.