How many movies have František Němec and Ludmila Hrubá collaborated on?

They have worked on 6 movies together! Their first movie together was Hádankář Vojta (1969) while their highest rated movie together was Zločin na Zlenicích hradě (1972). They have not worked together since Zločin na Zlenicích hradě (1972). They are most known for their fantasy films together.