How many movies have Janusz Elke and Piotr Marczewski collaborated on?

They have worked on 3 movies together! Their first movie together was How I Unleashed World War II, Part I: The Escape (1970) and was their highest rated movie together. They have not worked together since How I Unleashed World War II, Part II: Following the Arms (1970). They are most known for their adventure films together.