How many movies have František Čížek and Zdeněk Jeřábek collaborated on?

They have worked on 9 movies together! Their first movie together was Case for a Rookie Hangman (1970) while their highest rated movie together was Hlídač (1970). They have not worked together since Jára Cimrman Lying, Sleeping (1983). They are most known for their drama films together.