How many movies have Jan Bonaventura and Jiří Polák collaborated on?

They have worked on 5 movies together! Their first movie together was Když hvězdy vyplovou... (1974) while their highest rated movie together was Láďo, ty jsi princezna! (1979). They have not worked together since Pastýřka a kominíček (1983). They are most known for their music films together.