How many movies have Karel Kočí and Zbyšek Olšovský collaborated on?

They have worked on 4 movies together! Their first movie together was Komedie s Klikou (1964) while their highest rated movie together was Poslední růže od Casanovy (1966). They have not worked together since Náš dědek Josef (1977). They are most known for their comedy films together.