How many movies have František Belfín and René Gabzdyl collaborated on?

They have worked on 5 movies together! Their first movie together was Flirt se slečnou Stříbrnou (1969) while their highest rated movie together was Poprask na silnici E 4 (1980). They have not worked together since Poprask na silnici E 4 (1980). They are most known for their comedy films together.