Overview
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. Brein is behind all of this. Sinterklaas must intervene and even sends his Pieten on a trip to Switzerland to prevent Dr. Brein's criminal organization from gaining power.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 62 | August 17, 2007 (65) | |
 | - | - | |
| - | - | |
 | - | - | |
| - | - | |
 | - | - | |
| - | - | |
| - | - | |
 | 35 | 56 | |
| - | - |