How many movies have Barbara Gräftner and Ingrid Burkhard collaborated on?

They have worked on 1 movie together! Their first movie together was Echte Wiener 2 - Die Deppat'n und die Gspritzt'n (2010) and was their highest rated movie together. They have not worked together since Echte Wiener 2 - Die Deppat'n und die Gspritzt'n (2010).