Ten-year-old Bloem is completely crazy about Sinterklaas' horse. After several attempts, she finally convinces Sinterklaas to let her ride his horse, but then something terrible happens. During a ride ...

The planned marriage between Premierpiet and Probleempiet is in jeopardy, scholars Hans and Frans Steenstra have been kidnapped, and a rare ruby has been stolen from the Rijksmuseum. The dangerous Dr.