How many movies have Gert Verhulst and Karen van Slagmolen collaborated on?

They have worked on 5 movies together! Their first movie together was K3 Rascals (2012) while their highest rated movie together was Ghost Rockers voor Altijd (2016). They have not worked together since 40-45 Spektakel-Musical (2022). They are most known for their family films together.