How many movies have Jan Paweł Kruk and Romuald Staszkiewicz collaborated on?

They have worked on 5 movies together! Their first movie together was Obok prawdy (1965) while their highest rated movie together was How I Unleashed World War II, Part I: The Escape (1970). They have not worked together since Bołdyn (1981). They are most known for their comedy films together.