Le jour de la panne de chauffage

During first-aid training, Bilal acts foolish. But when the time comes to save a life, he regrets not having listened.

Due to a potato shortage, there are no more French fries until further notice. The students protest against Raph, who reveals that the recent floods have destroyed her father's crop. Faced with the students' anger, Mathis organizes a cooking competition.

An embarrassing secret from Mathis jeopardizes his relationship with Raph. His friends encourage him to talk about it to ease tensions.

Dorian discovers that Hippo and Bilal have been seeing each other in secret, and he too would like to be invited to Hippo's house. He thinks his friend doesn't, because he's ashamed that his parents have become poor, when in fact it's quite the opposite..

Following a global breakdown in social networking, Victoire becomes obsessed with her phone and has it confiscated. She takes it badly and panics. Thanks to Anna, Victoire realizes that she is addicted to her cell phone.

Lilou is cut off and no longer dares to speak in front of the boys. Wanting to give her a place to express herself, Dina sets up an all-girls club, which outrages Charlie and his gang.

Dina sells clothes to raise money for a local environmental association. Amina drops off a bag full of almost-new clothes, but when she realizes she's got the wrong bag, the clothes are sold and Dina refuses to reimburse her.

Lilou arrives at school and thinks she's become the most popular when she sees that all the girls have adopted her unicorn look! All except Victoire.

After seeing the Miss contest, Victoire gets it into her head to organize a beauty pageant at François Truffaut, but the project has trouble getting off the ground. After all, there are a thousand ways to be beautiful.

Hippo receives his Christmas presents before Christmas holidays, which makes his friends jealous. What they don't know is that Hippo is going to spend Christmas without his parents and he doesn't dare tell anyone.

During Christmas vacation, Albert took up knitting, but everyone laughs at him. Albert insists that knitting is a relaxing activity, not just for old people. He's going to try to change people's minds.

Bilal and Clovis are fed up with being labelled as “good students” or “bad students” by their teachers, so they decide to reverse the roles and grade the teachers so that they understand the difficulty of being labelled and fixed in a role.

Following their report cards, Amanda and Tarik try to change their methods in order to be better seen by the students, but old habits die hard and they realize that it indeed isn't pleasant to be labelled.

Raph hasn't been well since her parents separated and she broke up with Mathis. She cuts her arms. Dorian tries to intervene, but Raph is defensive.