How many movies have Miloš Kopecký and Miloš Čálek collaborated on?

They have worked on 12 movies together! Their first movie together was Silvestrovský trapas (1970) while their highest rated movie together was Jak se dělá divadlo (1970). They have not worked together since Poslední leč Alfonse Karáska (1987). They are most known for their comedy films together.