How many movies have Jan Štěpánek and Vladimír Menšík collaborated on?

They have worked on 4 movies together! Their first movie together was Silvestr budiž pestr aneb Do půlnoci mnoho času nezbývá (1972) and was their highest rated movie together. They have not worked together since Silvestr je za dveřmi (1974). They are most known for their music films together.