How many movies have Harold Mertens and Johan Vanden Eede collaborated on?

They have worked on 3 movies together! Their first movie together was Studio 100: De 3 Biggetjes (2003) while their highest rated movie together was Studio 100 Sprookjes Musicals - De Kleine Zeemeermin met Kathleen van K3 (2007). They are most known for their family films together.