How many movies have Janina Niedźwiecka and Jerzy Stawicki collaborated on?

They have worked on 8 movies together! Their first movie together was Ewa Wants to Sleep (1958) while their highest rated movie together was How I Unleashed World War II, Part I: The Escape (1970). They have not worked together since How I Unleashed World War II, Part III: Among Friends (1970). They are most known for their comedy films together.