How many movies have David Jan Novotný and Vlastimila Vlková collaborated on?

They have worked on 3 movies together! Their first movie together was How a Man Gives Birth (1980) while their highest rated movie together was Hodinářova svatební cesta korálovým mořem (1980). They have not worked together since Blázni, vodníci a podvodníci (1981). They are most known for their comedy films together.