Pieter Walther Boer

Just before December 5, Sinterklaas mysteriously disappears from the castle. The Club's Pieten don't understand what's going on and become worried. When Sinterklaas reappears a little later, he says unkind things and behaves strangely. What happened to Sinterklaas? And what was that Toy Doctor doing at the castle? It is Mees and his neighbor Katja who discover what is going on with Sinterklaas and what the secret of the peculiar Toy Doctor is. Pakjesavond is in danger, and they must warn the Pieten of the Club van Sinterklaas as soon as possible! Will the Club Pieten and Mees & Katja manage to unmask the Toy Doctor in time? Will they succeed in making sure that Pakjesavond can still go ahead this year?

When Ernst and Bobbie visit a fantastic circus school, disaster strikes. The circus school burns down, and to save it, Ernst and Bobbie must track down a great treasure. As they follow a treasure hunt that leads them to the strangest places, the circus director is also kidnapped. Pursued by the criminal Fedor and his innocent niece Indy, they face thrilling and dangerous adventures...

Ernst and Bobbie are enjoying a well-deserved vacation when they discover that a beautiful nearby forest is about to be cut down. The villainous entrepreneur Wolter Onix wants to build an asphalt factory on the site to pave all of the Netherlands. But Ernst and Bobbie are determined to stop him so Onix challenges them to complete some tasks. If they succeed within three days, he promises not to build the factory. Their mission: bring together a famous pop star, 40,000 concertgoers, and a golden microphone. It seems like an impossible task, but Ernst and Bobbie are determined to save the forest...

Just before December 5, Sinterklaas mysteriously disappears from the castle. The Club's Pieten don't understand what's going on and become worried. When Sinterklaas reappears a little later, he says unkind things and behaves strangely. What happened to Sinterklaas? And what was that Toy Doctor doing at the castle? It is Mees and his neighbor Katja who discover what is going on with Sinterklaas and what the secret of the peculiar Toy Doctor is. Pakjesavond is in danger, and they must warn the Pieten of the Club van Sinterklaas as soon as possible! Will the Club Pieten and Mees & Katja manage to unmask the Toy Doctor in time? Will they succeed in making sure that Pakjesavond can still go ahead this year?

When Ernst and Bobbie visit a fantastic circus school, disaster strikes. The circus school burns down, and to save it, Ernst and Bobbie must track down a great treasure. As they follow a treasure hunt that leads them to the strangest places, the circus director is also kidnapped. Pursued by the criminal Fedor and his innocent niece Indy, they face thrilling and dangerous adventures...

Ernst and Bobbie are enjoying a well-deserved vacation when they discover that a beautiful nearby forest is about to be cut down. The villainous entrepreneur Wolter Onix wants to build an asphalt factory on the site to pave all of the Netherlands. But Ernst and Bobbie are determined to stop him so Onix challenges them to complete some tasks. If they succeed within three days, he promises not to build the factory. Their mission: bring together a famous pop star, 40,000 concertgoers, and a golden microphone. It seems like an impossible task, but Ernst and Bobbie are determined to save the forest...