How many movies have Ivan Mládek and Petr Nárožný acted in together?

They have worked on 5 movies together! Their first movie together was Silvestr je za dveřmi (1974) while their highest rated movie together was Silvestr na přání aneb Čí jsou hory Kavčí (1977). They have not worked together since Když kluci drží basu (1978). They are most known for their comedy films together.