The Olsen Gang is robbed in Spain and loses the millions they earned from their last heist. Egon has a plan to get the money back by robbing the National State Railways for a gold transport.

Egon and the gang is about to commit their biggest heist – stealing 6 millions from an undercover operation at a freight company. The money is stored in the most advanced security vault ever constructed, guarded by professional gorillas.

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.

The Olsen gang of Egon, Benny and Kjell are constantly looking for the big coup to become millionaires. They have laid out the perfect plan to break into the new Munch Museum in Bjørvika and steal "Scream".

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.

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.

A good looking female social welfare worker makes Egon Olsen forget about crimes for some time, but when an American gangster breaks into a local bank and the police think its Egon's work, he has to get back to work to prove he's innocent.

The Olsen Gang realizes that cash is obsolete with the current inflation rate, and plans a coup for property and bonds. They make a fake company and tries to buy Oslo's biggest shopping mall, Steen and Strøm.

The Gang form The Dynamites. After winning a talent competition they are told by manager Pop-Johansen that the band will be huge in the U.S. But is he only after their prize money?