How many movies have František Ringo Čech and Viktor Sodoma acted in together?

They have worked on 3 movies together! Their first movie together was Silvestr budiž pestr aneb Do půlnoci mnoho času nezbývá (1972) and was their highest rated movie together. They have not worked together since Ostrov plný písniček (1977). They are most known for their music films together.