How many movies have Andrzej Burzynski and Jerzy Gruza collaborated on?

They have worked on 2 movies together! Their first movie together was Gulczas, what do you think... (2001) while their highest rated movie together was Yyyreek!!! Kosmiczna nominacja (2002). They have not worked together since Yyyreek!!! Kosmiczna nominacja (2002).