George and Jimmy time-travel to the 18th century and find themselves on a deserted pirate island where the inevitable buried treasure lies buried.

George and Jimmy travel all the way to Taskara. A rich Chinese man wants them to bring back the rare mineral OQ-4. But Taskara is inhabited by giants and, unfortunately, crooks Boris and Pedro are sniffing around too.

A poor shoemaker and his wife inherit a farm in the southern province of Limburg. However, the farm has been heavily mortgaged by local real estate agent Bol who is planning to get his hands on the land -- which will soon be mined and therefore worth a fortune. With the help of their trusty German Shepherd Tarzan, the shoemaker's four young nephews decide to do something about it.