How many movies have Antonín Kovács and Vítězslav Romanov collaborated on?

They have worked on 12 movies together! Their first movie together was Nová metoda malíře Smithe (1974) while their highest rated movie together was Princové jsou na draka (1981). They have not worked together since O Honzovi a princezně Dorince (1986). They are most known for their family films together.