How many movies have Jaroslav Heyduk and Oldřich Bosák collaborated on?

They have worked on 6 movies together! Their first movie together was The End of Agent W4C (1967) while their highest rated movie together was Dva muži hlásí příchod (1975). They have not worked together since Grandmothers Recharge Well! (1984). They are most known for their comedy films together.