How many movies have Gustav Oplustil and Naďa Urbánková collaborated on?

They have worked on 10 movies together! Their first movie together was Sedm žen Alfonse Karáska aneb Když holky berou, já nevím kterou (1967) while their highest rated movie together was Silvestr 1978 (1978). They have not worked together since Larks on a String (1990). They are most known for their comedy films together.