How many movies have Ivo Strangmüller and Štěpán Koníček collaborated on?

They have worked on 6 movies together! Their first movie together was Lost in Pajamas (1967) while their highest rated movie together was Co je doma to se počítá, pánové... (1980). They have not worked together since Stav ztroskotání (1984). They are most known for their comedy films together.