How many movies have Jindřich Novotný and Miroslav Halbhuber collaborated on?

They have worked on 4 movies together! Their first movie together was Námluvy komtesy Gladioly aneb Přistání ve skleníku (1970) and was their highest rated movie together. They have not worked together since Recept na milování (1984). They are most known for their comedy films together.