How many movies have Aleksandr Rou and Mikhail Pugovkin collaborated on?

They have worked on 4 movies together! Their first movie together was Through Fire, Water and... Brass Pipes (1968) while their highest rated movie together was Barbara the Fair with the Silken Hair (1970). They have not worked together since Finest, the Brave Falcon (1975). They are most known for their fantasy films together.