Thea Næss

Rock'n'Roll and bananas has arrived the country, and Egon has found out about sabotage plans about a circus, in order to take it over.

Hearing about the Kings Jewels hidden deep in a silver mine, the Junior Olsen Gang embark on a thrilling hunt to prevent the Jewels from landing in the wrong hands.

Norwegian engineers are searching for oil and Egon Olsen convinces his friends to buy stocks in the oil market. In the process, Egon, stumbles upon a scheme to fool the Norwegian Government that there is indeed no traces of oil in the North Sea. The Olsen Gang tries to tell the ministry the truth about the oil but they are caught by Sheik El-Altan who, in order to make sure the boys keep their mouths shut, kidnaps Valborg and brings her to Egypt.

Follows the Junior Olsen Gang as they hunt down missing tax money stolen from a bank in 1835.