How many movies have Helena Vondrušková and Zuzana Burianová collaborated on?

They have worked on 3 movies together! Their first movie together was Bylo čtvrt a bude půl (1968) while their highest rated movie together was Příště budeme chytřejší, staroušku! (1982). They have not worked together since Příště budeme chytřejší, staroušku! (1982). They are most known for their comedy films together.