How many movies have Ján Roháč and Pavel Bobek collaborated on?

They have worked on 4 movies together! Their first movie together was Pánský večírek (1970) while their highest rated movie together was Silvestr na přání aneb Čí jsou hory Kavčí (1977). They have not worked together since Silvestr 79 aneb Hrajeme si jako děti (1979). They are most known for their comedy films together.