Follows Karl (Nils Vogt), economist and accountant, after he is fired from his job and subsequently divorced by his greedy wife. After being helped out by his former colleague, Nils (Sven Nordin) and a travelling salesman, Henry (Arve Opsahl), the three become roommates.

Following the events of the last episode of Mot i brøstet, Karl moves out of his old house and into a new apartment in downtown Oslo. There he gets acquainted with the chairman Ulf, the janitor Smestad and the cleaning maid Mrs. Frantzen. His sister Vigdis also comes to visit frequently.

100 miles north, a bit east and up, is Pinchcliffe, the home of bicycle repairman Reodor Felgen and his two assistants, Solan Gundersen and Ludvig. Sponsored by oil sheik Ben Redic Fy Fazan, they build the car "Il Tempo Gigante" to race against Reodor's former assistant Rudolf Blodstrupmoen, who has stolen one of Reodor's inventions to become a world racing champion.

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.

100 miles north, a bit east and up, is Pinchcliffe, the home of bicycle repairman Reodor Felgen and his two assistants, Solan Gundersen and Ludvig. Sponsored by oil sheik Ben Redic Fy Fazan, they build the car "Il Tempo Gigante" to race against Reodor's former assistant Rudolf Blodstrupmoen, who has stolen one of Reodor's inventions to become a world racing champion.

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.

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.

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.

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.

Follows Karl (Nils Vogt), economist and accountant, after he is fired from his job and subsequently divorced by his greedy wife. After being helped out by his former colleague, Nils (Sven Nordin) and a travelling salesman, Henry (Arve Opsahl), the three become roommates.