The story Peter is telling the about a special summer, when he is invited over to summer holiday from bickering parents, to his aunt and uncle in the country. He's been there before, but this summer was quite one to remember.
A foreign criminal gang makes a large-scale bank coup. The suspicion falls on the Olsen Gang. They escape, take up the hunt for the real criminals and thus it all starts. The police are looking for the Olsen Gang, and they are looking for the real criminals.
Egon Olsen is the leader of the Olsen Gang. While he was in the slammer, he planned how he would steal the fantastic golden figure Keizeroppzatsen.
Newly divorced factory manager Fredriksson has found a new partner, and has hired her as chief designer at the factory. Her role models are the top fashion houses in Paris, and she has plans ready for renovations. But how do the employees react? Pia, Kari, Oddveig, Margit and Tommy? And what happens when everyone is laid off due to declining order intake?
The Olsen Gang becomes millionaires. Unfortunately for the gang, their arch-enemies, the King and the Jack, are planning to steal the money for themselves.
Egon returns from prison with the key to a big heist, a hidden Nazi-treasure. The Olsen Gang finds the location of the treasure, but problems arise when the international criminals Carina and Ricco shows up.
The Olsen Gang realizes that cash is obsolete with the current inflation rate, and plans a coup for property and bonds.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.
Cleaning lady Lilly Hansen finds her employer, managing director Martinsen, with a knife in his back. The police is summoned and Chief Inspector Bakker is put on the case, despite suffering from the flu. When he arrives at the scene, the body is gone, to Lilly Hansen's dismay. Shortly after a body is found in nearby Palace Park...
Peter-No-Tail (Pelle Svanslös) is a cat who was born without a tail. He compensates this by studying hard and, much to the dismay of his arch-rival Magnus (Måns), he receives a fancy university degree very few cats in the university town Uppsala, Sweden have obtained. Peter is visited by his American relative Pelle Swanson who invites him to visit his new home country America - in the movie called Americat. There everything is bigger and everything seems possible.
The Olsen Gang has to pay for their summer vacation in Spain, and Egon is hired to open a safe with black market money in Switzerland. He is conned, but Egon has sworn revenge.
An unfaithful servant in the Norwegian Petroleum Directorate tries to sell top secret information to German industry leaders. Egon has a plan to earn money on the transaction himself.
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.
The Olsen Gang has traveled south after the success of their last coup, but there's still someone who hasn't given up catching them.
Frida, aged 13, has discovered a book by psychoanalyst Erich Fromm called "The art of loving". Using it as a reference she sets out to better the love lives of her family and friends. But love works in mysterious ways...
With the help of a corrupt diplomat the Olsen Gang plans to rob the World Bank, with help from the re-schooled Dynamite-Harry, now a computer expert.
Fifteen years after they last saw each other, Benny, Valborg and Dynamitt-Harry discovers that Egon Olsen is out of prison and living in a retirement home. Olsenbanden is reunited, and Egon has a plan.
Two villains escape from jail in London. They are planning an attack on Agaton Sax. Inspector Lispington and Sax are chasing the two bad guys, but the hunt is hampered by the villains have lookalikes.
