How many movies have Anja van Mensel and Dennis Bots collaborated on?

They have worked on 4 movies together! Their first movie together was Plop and the Penguin (2007) while their highest rated movie together was Anubis and the Revenge of Arghus (2009). They have not worked together since House of Anubis (NL) - The Five and the Wrath of Balor (2010). They are most known for their family films together.