Karel van dam is running for City Council. Mr. Harmsen is enthusiastic about this. Jaap now also wants to stand for election. Jaap and Simon blamed Karel van Dam on the secretary of the CPN.
Nel and Zus win 500 bucks in a photo contest. Nel wants to buy a television for it. Jaap knows a better investment: a brand new DAF. Simon is busy preparing for the performance of Swan Lake in the sewer.
Nel, Zus and Simon have been to see Cyrano de Bergerac. When Jaap hears that Mr. Harmsen and his mother are enthusiastic about Cyrano, he wants to perform the play for them. Of course, it becomes a fiasco. Even if he plays the ivy.
Adri makes a portrait of Nel. Jaap, of course, now wants to do a portrait of Mr. Harmsen. De Bruine comes out with its own newspaper: De Bruine Rotterdammer. Simon has the first interview with Mr. Harmsen.
Simon has tickets for Édith Piaf. He promises them to Nel, Zus and Nel's mother. Jaap hears that Mr. Harmsen loves Édith Piaf. To help Jaap, Simon wants to go to the concert with him and Mr. Harmsen. Jaap has trouble with his wisdom tooth.
Simon organizes the Miss Riool pageant with Lena Scholten and "Simone" (himself) as the only contestants. "Simone" wins. The women are all about flower arranging. "Simone" appears on TV with Willem O Duys.
Jaap thinks Nel is cheating with the milkman. Jaap, Nel, Simon and Zus celebrate St. Nicholas. Nel receives a fridge she saved herself from stamps from the supermarket.
Jaap brags to Mr. Harmsen that he can ski well. Mr. Harmsen appoints him his private driver because Hopjes has to stay with mother. Because Jaap cannot ski, Simon puts his leg in a cast.
Nel, Zus and Nel's mother are completely captivated by art. Jaap also presents himself as an art expert to Mr. Harmsen. He even has an original gift for him: Van Gogh's sunflowers.
Mr. Harmsen does not know what to do with his nephew Eugène who is staying with him. Jaap offered to let him stay with him. Agnes (Nel's sister) was also staying with Jaap and Nel.
Henk van de Berg bought a new Puch. Jaap now exchanges the silver cutlery Nel inherited for a used motorcycle. He accuses the scissors slave of stealing the cutlery.
Nel and Zus repair old shirts to buy crystal glasses. Jaap and Simon cook and serve at Mr. Harmsen's house who is visiting the director of the Paris Metro. Jaap destroys some crystal glasses in the process.
Nel and Zus are under the spell of Lourdes water. When Jaap hears from Mr. Harmsen how good a Hungarian mud bath used to be for him, Jaap and Simon organize a mud bath for him in the sewer.
Jaap and Nel want to buy a new washing machine instead of going on vacation to Spain. When Jaap sees a bullfighter's poster made by Henk van den Berg, he also wants to go on vacation to Spain to have such a poster made for Mr. Harmsen.
Simon finds a baby in the sewer. Because both parents are deceased, Simon and Zus are allowed to keep the child. Adri receives a letter from Egypt from a girl who claims to be pregnant by him.
After Simon took an IQ test at the sewer, he now does the same at the RET. Jaap gets the lowest score: he has only 3 thoughts per minute. Henk van de Berg's landlady determines Jaapie's exact date of birth.
Jaap and Simon want to convince Henk van de Berg that you can tan very quickly under the altitude sun. To convince Henk, Simon smears Jaap with Marmite. However, this stuff is difficult to get off.