How many movies have Jan Smrčka and Zdeněk Zdeněk collaborated on?

They have worked on 4 movies together! Their first movie together was Buurman & Buurman: Hebben een nieuw huis (2018) while their highest rated movie together was Pat & Mat in Action Again (2018). They have not worked together since Pat & Mat: DIY Troubles (2019). They are most known for their family films together.