Dynastia Miziolków (1999)

We meet mum - that is Mamiszon, dad - Papiszon, the protagonist of the series - Miziolek, his sister - Kaszydlo and the youngest sister - Little Monster. The grandparents' wedding anniversary is approaching and the family is preparing gifts for the birthday parties. Miziolek writes an occasional poem, Kaszydlo learns to dance a krakowiak, and Papiszon buys a dog. When the family is getting ready to leave, the postman unexpectedly brings a telegram with greetings from Venice from ... grandparents.