How many movies have Jan Pospieszalski and Krzysztof Kowalewski collaborated on?

They have worked on 1 movie together! Their first movie together was Odwrócona góra albo film pod strasznym tytułem (2000) and was their highest rated movie together. They have not worked together since Odwrócona góra albo film pod strasznym tytułem (2000).