How many movies have Marcel Kříž and Zdeněk Skalický collaborated on?

They have worked on 4 movies together! Their first movie together was Půlnoční kolona (1973) while their highest rated movie together was Lvi salónů (1978). They have not worked together since Skandál v Gri-Gri baru (1979). They are most known for their comedy films together.