The characters in the series are introduced. Their looks, heights and ages are described, then Rolli und Rita are introduced. Their first sketch has the characters introduce themselves before exploring a hall of mirrors in a fairground and describe colors and facial features in German, ending with them getting scared away by a coffin ghost in the haunted house. After Rolli asks the locals on what they like to do, Thomas then describes his enjoyment of cycling, Daniel shows his drawings, and Jessica goes shopping; Marko then shows us his guinea pig, Schnuffi, and Miriam talks about her pet dog. Esther is seen partaking in athletics and describes what she does. Rolli und Rita perform the song 'Hallo aus Berlin' (Hello from Berlin).

Daniel and his family visit his grandparents. The other characters introduce their brothers and sisters, as well as their pets, after a few interviews with local Berliners. Thomas goes to the Berlin Zoological Garden and introduces the different animals that are seen there. Rolli und Rita's sketch shows Rita with a snake named Sichter at Rolli's house that can perform mathematical calculations; Sichter becomes confused and wrecks the room after Rolli asks a question it couldn't handle. Rolli und Rita then attempt to piece together the broken family portraits, mismatching pieces with different family members, and they fail to do so by the time Rolli's mother arrives. Nada is introduced, a 17-year-old who lives independently from his parents in a flat with other young people, and he describes the chores and jobs he does at home. Rolli und Rita perform the song 'Das ist meine Familie' (This is My Family). Daniel is then seen at his grandparents' house, feeling bored.

Marko describes his house. Miriam has breakfast with her family and describes typical breakfast foodstuffs. After a few vox-pop interviews, Rolli does his morning routine in the sketch and forgets to complete his chores before his mother returns home. Marko describes his wardrobe and some of his clothes, and leaves for school. The different types of houses in Berlin are described, and Jessica and Daniel give their addresses. Some homeless people are seen being served food in a canteen in central Berlin, then Esther visits Jessica's house, where they talk about Take That and listen to CDs. Rolli und Rita perform the song 'Wo Wohnst Du?' (Where Do You Live?).

Wolfgang, Jessica's cousin, is shown alighting from an Intercity Express train and travelling to Jessica's house. He briefly converses with Jessica and her mother on a payphone, and plans to go to a soccer match with Jessica, before taking the U-Bahn. Thomas meets a fellow Star Trek fan at a shop, and they head off together, before planning to go to the same soccer match Wolfgang plans to go to. In Rolli und Rita's sketch Rita contacts Rolli over his cell phone, instructing him to go to the cinema and then the disco, before inadvertently finding himself atop an under-construction building. Thomas and his friend and purchase food, and Daniel, Miriam, Marko and Esther are asked for directions within Berlin. Rolli und Rita perform "Ist Eine Post Hier?" (Is There a Post Office Here?). We then see Thomas, his friend, Jessica and Wolfgang going to the Olympiastadion, and the soccer game, which is between Borussia Mönchengladbach and VfL Wolfsburg, takes place as the credits roll.

Thomas goes grocery shopping for his aunt Elizabeth; meanwhile, Miriam and Jessica take a trip to a McDonald's. After shopping Thomas and his aunt visit a café for some ice cream and cake. Rolli und Rita try cooking pancakes at home in the sketch, which ends in disaster when Rita covers the kitchen with whipped cream. A Turkish market and some traditional Turkish cuisine are seen. Rolli and Rita perform "Einmal Eis, Bitte" (One Ice Cream, Please).

Jessica and Marko introduce their schools, and various lessons can be seen. Lunch break activities are shown. A boy named Arno is caught smoking under-age (before 2007 the minimum age for smoking in Germany was 16 years) and is sent to the headmaster's office. He is ordered to clean the smoking-corner of the school as punishment. Rolli und Rita's sketch involves Rolli not doing his homework, and Rita appearing on a nearby computer to assist him, with her choosing all of the wrong answers, ending with them running away from the teacher. Some students complain to Esther, the class representative, that they are receiving too much German homework; Esther addresses the issue with their German teacher, Ms. Notte. Jessica introduces the after school clubs (Arbeitsgemeinschaften). A montage is seen of various after-school activities, then Rolli und Rita perform "Was ist dein Lieblingsfach" (What Is Your Favourite Subject). After the song the headmaster is shown leaving.

The kids are seen discussing their plans for the weekend. Miriam describes her horse and demonstrates how she rides and cares for it. Arno is seen sleeping, whilst Daniel, Thomas and Esther meet in a music shop. Jessica is seen doing ballet. Rolli und Rita's sketch has them causing havoc in a music shop with expensive musical instruments. A traditional Turkish festival is seen, and the main characters are seen dancing at a night club. Rolli und Rita perform "Was machst du am Wochenende?" (What are You Doing This Weekend?).

Marko is playing volleyball and injures his foot; meanwhile, Esther warms up and does athletics. Healthy and unhealthy foods and habits are discussed. Marko sees a doctor for his injuries and is examined. In the sketch, Rolli und Rita decide to go bowling in their sketch, only to end in disaster. Jessica, Marko, and Esther describe their favorite sports. Karate lessons are seen, and Thomas, Daniel and Miriam describe their favorite activities. Some children in wheelchairs are seen playing basketball, and Rolli und Rita perform 'Ich habe zehn Finger' (I Have Ten Fingers). The characters are then seen at an indoor water park.

Daniel's mother books hotel rooms at a hotel in Binz, where the family are going on holiday. A Turkish girl named Elvan talks about Bayram, and Jessica has her Confirmation at a church, heavily implied to be the Saint Nicholas Church. Miriam is then seen celebrating her 14th birthday with her family, Thomas, and Jessica. Rolli und Rita are at the beach in their sketch, oblivious to the signs of a storm, before they get struck by lightning. Daniel is seen with his family writing a letter to his grandparents on the Baltic Sea coast, and they go on a boat ride a day after Daniel writes the letter. Rolli und Rita perform 'Wann hast du Geburtstag?' (When Is Your Birthday?).

The last episode of the series shows many of the cultural aspects of Berlin. Jessica explores the shops of Berlin and the KaDeWe. Thomas explains the history of the Kaiser Wilhelm Memorial Church, a reminder of World War II, and Daniel eats in a Berlin restaurant. Esther talks about her local area, Kreuzberg, exploring its shops and restaurants. Marko explains the history of the Berlin Wall, then describes the (then new) plans for the Potsdamer Platz redevelopment. The characters say farewell in a theme park, and Rolli und Rita perform the song 'Das ist unser Berlin' (This Is Our Berlin), ending the series.[13] This is the only episode to exclude the Rolli und Rita skit.