

January 2011
Holger Nilsson is forced on a raging treasure hunt to find the seven keys to his world-famous relative Mary Diana Graaf's mythical laboratory. To help him, he has the inventor Mortensen and Mary Diana's GPS computer with pre-recorded riddles and clues written in verse. But what kind of mysterious and malevolent figure lurks in the background?
First Air Date:
2011-01-18
Last Air Date:
2023-06-26
Status:
Returning Series
Original Country:
Original Language:
Spoken Languages:
Number of Seasons:
4
Number of Episodes:
38
Created By:
Johannes Berg