How many movies have Elia Kalligeraki and Vasilis Vasileiadis collaborated on?

They have worked on 4 movies together! Their first movie together was The Man Who Returned from the Heat (1972) while their highest rated movie together was Ti 30... ti 40... ti 50... (1972). They have not worked together since Ένας τρελός τρελός αεροπειρατής (1973). They are most known for their comedy films together.