How many movies have Jan W. Speerger and Miroslav Cikán collaborated on?

They have worked on 18 movies together! Their first movie together was Záhada modrého pokoje (1933) while their highest rated movie together was Hrdinný kapitán Korkorán (1934). They have not worked together since O ševci Matoušovi (1948). They are most known for their comedy films together.