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Today, everyone at school must be vaccinated and everyone is afraid, even Vladimir Albertovich himself

A police officer comes to a school to find the person who broke a bank window. The evidence found at the crime scene is a ball.

An Inspector (Vladimir Albertovich's friend) comes to the school to find someone who will go to the Olympics. Through Tolik's trickery, the Inspector intends to choose Stepan Utkin.

They banned cell phones and no one can live without them, especially Utkin, who lost Yurik

Venya and Utkin argue about who is the cooler one. Everything will be decided in Physical Education.

A gradebook goes missing in class 7A.

A new student arrives and everyone fears him, but appearances are deceiving.

There is a secret society at School No. 13. The friends try to find it.

Stella Arturovna bans passing notes at school.

Students must congratulate teachers and give gifts—but what should they give Stella Arturovna?

Students must decide what they want to become in the future.

An unexpected inspection from the methodological office causes panic.

An ordinary day—but everyone experiences it differently.

Vladimir Albertovich’s pet disappears from the petting zoo. If not found, it will be closed.

Students argue about what is 'too much' for each of them to handle.

Friends plan a trip, but preparation delays everything.

The principal plans to leave. Others misunderstand the situation, causing confusion.

Utkin forms a team to challenge those who rejected him.

It’s Venya’s birthday, but no one remembers.

Ivan Marsovich wins a million but doesn’t understand what everyone is talking about.

Larisa thinks Tolik is a robot after seeing his old poor grades despite current success.

A school party will take place at Vasily Borisovich’s ‘house.’

A mysterious note leads everyone to search for treasure in the school.

The friends find abandoned shoes and try to find their owner.

A rumor spreads that Utkin is the vice principal’s nephew, and he uses it to his advantage.

Masha and Larisa swap personalities.

One student must transfer classes due to class size limits.

Class 7A tries to finally take a group photo without Utkin escaping.

Students propose ideas to save the Earth. The best wins a trip to New Zealand.

Two competing parties lead to conflict.

On Opposite Day, students and teachers switch roles and everything changes.

The friends decide to make a video clip.

Yurik accurately predicts things and is believed to be psychic.

There was a schedule error for the seventh-grade students, so all their classes will be combined. Friends will be surprised to see themselves, but from the other side.

It's the last lesson before the holidays, and it's a good time to improve your quarterly grade, but Styopa and Yurik are having trouble with math, because if they go to class, they'll definitely get another 2. Even Ira will come.

Ivan Marsovich has disappeared, and Venya thinks that because he didn't do his homework for labor, the labor teacher was kidnapped

There's an epidemic at school today, and all the teachers are sick. The doctor is covering for all the teachers today, but Stella Arturovna says she never gets sick.

Every class has its own wall newspaper, but Class 7-A does not—and so they must create one. Masha and Lariska argue over who will be the editor of the wall newspaper, but they soon begin working together.

The school is visited by the former Assistant Principal—Margarita Eduardovna. She wants to find out how things are going at the school in her absence. If anything is amiss, she intends to return to work there and restore order.

Utkin is failing every subject for the year—grades that are impossible to fix in a single day—yet his entire class wants to help him turn them around. Will they succeed?

The Assistant Principal is on leave, and the whole school is delighted—yet Stella Arturovna still sees everything that goes on within the walls of the "Cool School."

The friends are trying to break every record in the record book, but it is harder than they thought.

This fair is like a competition: if a student manages to collect 1,000 "Trinashki," they will win a bicycle. To acquire that many Trinashki, one must not only earn them but also sell one's own goods for cash (Trinashki being the name of the currency used at the school fair).