How many movies have Fahri Yardım and Tom Zickler collaborated on?

They have worked on 4 movies together! Their first movie together was 1½ Knights - In Search of the Ravishing Princess Herzelinde (2008) while their highest rated movie together was Head Full of Honey (2014). They have not worked together since Head Full of Honey (2014). They are most known for their comedy films together.