Le jour de Noël, part. 1

Jules has brought an electronic cigarette to impress Yasmine, who pretends to play along. He invites Noa to try it out together. They soon learn that smoking and vaping are not as impressive as they think.

A new maths teacher replaces Samir. His authoritarian methods don't please everyone, starting with Albert, who takes action.

Kayla is full of hurtful jokes when Franck asks her to take part in the improv. What if, like many teenagers, Kayla is masking a problem of self-esteem?

To prevent Yasmine from kissing him on Valentine's Day, Dorian pushes Hippo to say he doesn't know whether he prefers girls or boys... but nothing goes according to plan.

Hippo can't find his phone. Because of his parents' new financial situation, he's determined to find the culprit... and his phone. He twists reality by spreading false news about a wave of thefts at the school.

The school basketball team is preparing for an important match, but Lou and the Pom Pom Girls are abandoning their position because of Maxime's misogynistic jokes. Dorian, their choreographer, has the idea of creating a team of Pom Pom Boys.

Operation clean-up! The students collect garbage on the beach. Dorian takes care of the most polluting, while Hippo is only interested in winning and wants the heaviest.

Albert convinces Hippo to do odd jobs so he doesn't have to rely on his parents. Kayla takes advantage of the situation to pay Hippo to do thankless, demeaning jobs.