How many movies have Froukje Grippeling and Kathleen Warners collaborated on?

They have worked on 4 movies together! Their first movie together was Theo Maassen: Functioneel Naakt (2001) while their highest rated movie together was Micha Wertheim: Voor Je Het Weet (2014). They have not worked together since Theo Maassen: Situatie Gewijzigd (2020). They are most known for their comedy films together.