Çılgın Dersane 4: Ada

Class of teenage students attempting to save their unconventional school from getting shut down but things don't go as planned.

After winning a competition organized by the Antalya Tutoring Centers Association, Istanbul Özlem Tutoring Center is saved from debt and returns to its building in Istanbul to continue its education. Meanwhile, Kerem and Özlem leave to study at a university in London on scholarships. At the same time, thanks to the successful program in Antalya, many new students enroll in the tutoring center. One of them is the famous pop singer Berksan. Months pass, and with just one month left before the university exam, it is decided to go on a camping trip to a natural paradise with rivers and waterfalls, following Hadi Hoca's idea, to have fun, escape exam stress, consume plenty of oxygen, and continue with accelerated courses to prepare for the exam.

Özlem Dersanesi is staying in a hotel in Antalya in order to attend the national music contest for private prep schools.

The students at Özlem Dershanesi in Istanbul decide to build a classroom for their peers in the earthquake zone, but they don't have any money. Then they learn about a competition with a cash prize and decide to enter it. However, the director of the dershane, Mustafa, doesn't believe in them because they are all lazy and mischievous. He doesn't think they will win the competition. Under pressure from his fiancée, teacher Pınar, he decides to take the children to the competition.