How many movies have Ladislav Simon and Svatava Simonová collaborated on?

They have worked on 21 movies together! Their first movie together was Strašidlo, které se směje (1963) while their highest rated movie together was O třech ospalých princeznách (1999). They have not worked together since O třech ospalých princeznách (1999). They are most known for their fantasy films together.