How many movies have Jozef Hakl and Ľubomír Feldek collaborated on?

They have worked on 5 movies together! Their first movie together was Anglická blcha v cárskom Rusku (1972) while their highest rated movie together was Teta na zjedenie (1980). They have not worked together since Ukradnutý biely slon (1988). They are most known for their comedy films together.