How many movies have František Ringo Čech and Naďa Urbánková acted in together?

They have worked on 5 movies together! Their first movie together was Vydržte až do půlnoci! (1973) while their highest rated movie together was How the World Is Losing Poets (1982). They have not worked together since How the World Is Losing Poets (1982). They are most known for their comedy films together.