How many movies have Gert Verhulst and Juliann Ubbergen collaborated on?

They have worked on 2 movies together! Their first movie together was House of Anubis (NL) - The Five and the Wrath of Balor (2010) while their highest rated movie together was House of Anubis and the return of Sibuna (2010). They have not worked together since House of Anubis and the return of Sibuna (2010).