How many movies have Goof de Koning and Peter R. de Vries collaborated on?

They have worked on 2 movies together! Their first movie together was The Great Sinterklaas movie (2020) while their highest rated movie together was De Grote Sinterklaasfilm: Trammelant in Spanje (2021). They have not worked together since De Grote Sinterklaasfilm: Trammelant in Spanje (2021).