How many movies have Miroslav Hájek and Vítězslav Černý collaborated on?

They have worked on 21 movies together! Their first movie together was Zlatý pavouk (1957) while their highest rated movie together was Dva muži hlásí příchod (1975). They have not worked together since Poprask na silnici E 4 (1980). They are most known for their comedy films together.