Carmen Jonckheere's younger sister Martine Jonckheere (three years younger than her) guest starred on the show two titles later, in De vriendin (1991), as team president Boma's girlfriend Chantal De Graaf. Carmen Jonckheere is the woman with dark brown hair, her sister Martine has blonde hair. Carmen died from cancer a year later, in May 1992. She was 39 years old.
Bieke (An Swartenbroekx) is absent in four second season titles, from De Streep (1991) to De vriendin (1991). The character is on a journey overseas to study in the United States. This title is included.
The only time Oscar wears Xavier's goalkeeper kit, replacing Xavier now that he'll play for the army's soccer team. Boma makes fun of Xavier's apparent 'large hands', notably when Oscar is first seen wearing his keeper's gloves entering the clubhouse; "Oscar, are those gloves or air mattresses you're wearing? ["Oscar, zijn dat handschoenen die je draagt, of luchtmatrassen?]".