How many movies have Chris Sfetas and Omiros Efstratiadis collaborated on?

They have worked on 2 movies together! Their first movie together was Ο Θείος Μου Ο Νίνζα (1987) while their highest rated movie together was Ο Θείος Μου Ο Νίνζα Νο2 (1987). They have not worked together since Ο Θείος Μου Ο Νίνζα Νο2 (1987).