How many movies have Kadri Yurdatap and Ülkü Erakalın collaborated on?

They have worked on 5 movies together! Their first movie together was Hepimiz Kardeşiz (1964) while their highest rated movie together was Sevgili Öğretmenim (1965). They have not worked together since I'm Under My Hat (1965). They are most known for their comedy films together.