How many movies have Pieter van Empelen and Youp van 't Hek collaborated on?

They have worked on 3 movies together! Their first movie together was Youp van 't Hek: Man vermist (1982) while their highest rated movie together was Youp van 't Hek: Alles of Nooit (1991). They have not worked together since Youp van 't Hek: Alles of Nooit (1991). They are most known for their comedy films together.