How many movies have Kamil Çetin and İrfan Aslanhan collaborated on?

They have worked on 2 movies together! Their first movie together was Çılgın Dersane 3 (2014) while their highest rated movie together was Çılgın Dersane 4: Ada (2015). They have not worked together since Çılgın Dersane 4: Ada (2015).