How many movies have Blažej Bernard and František Sandr collaborated on?

They have worked on 3 movies together! Their first movie together was Pearls of the Deep (1966) while their highest rated movie together was Toni, You're Crazy (1969). They have not worked together since Lišáci – Myšáci a Šibeničák (1970). They are most known for their family films together.