The school's patrol is the toughest in town and goes by the name S.I.S.T.E.R.S. They are put to a real test when they have to rescue a ball from the school neighbor, the evil Miss Von Heckelschmerz's garden.

S.I.S.T.E.R.S.

Liv Senger Ramm-Mikkelsen

Marcus Mulvad Tillebeck

Felix Folkenberg Eriksen

Noah Sønderby Sundstrup

Alba Vinter Lund-Burmeister

Alva Overegseth Falkenberg

Ava Frederikke Strandbygaard Kiss

Aya Ingrid Alber

Arthur Hannibal Geert Honnens de Lichtenberg

Bertram Neigaard

Bjarni Berg Gíslason

Carl-Gustav Salicath Egede Glahn

Daniel William Brøgger

Edith Højen

Ella May Rask Mathiesen

Esther Gallan-Aguirre

Isabella Banda Hjøllund Sørensen

Josefine Ritter Østergaard

Sensitive guy

Is Caro breaking up with you?

Mathilde is furious with Caroline after discovering she's not on Caroline's wish list for the new classes. Their enmity extends to Gertrude, and it's now even more exciting to find out who's going to class with whom.

My new class? (Part 2)

The new classes are announced and everyone is happy - except Cornelius, who is suddenly without his girlfriend, Caroline. Can their relationship survive being torn apart, or will Cornelius have to use cunning methods to change the division?

My new class? (Part 3)

Musa is fascinated by Esme, who is a great dancer, and wants to be as good as her. But Erik warns him that dancing with a girl is the same as going on a date with her. Or is it?

Just dance, Musa!

Luna feels sad when she sees videos about children in need on TikTok. She realizes she has to do something to help, and together with Baldur and Mads she comes up with the idea to create a support song. But maybe Sif has a much better plan?

The anthem of support

Johannes is still down about Tue making other friends in class and seeks solace in the cave they made together. But it turns out he's not the only one seeking shelter there. Maybe the cave offers a whole new friendship?

A new friend?

It's reading class and Sif and Cornelius are tired of being in a group with Mads and Zoe, who constantly interrupt them because they're bored. But maybe reading class isn't so bad if you get to create the story yourself?

A dramatic reading lesson

Sif and the rest of the gang have decided to stop playing G&D because they are tired of their classmates' comments. The message angers Club Ras, who kills their characters. The group is now officially finished with the game, but maybe they will in the future.

Caves & Dragons (Part 3)

Tue has decided to ask Sif if they should hang out together one day after school. He doesn't have the courage to do it himself, but thinks his character, Leopold, can help him?

Caves & Dragons (Part 4)

Zoe is now the only one who showers after PE and she's getting sick of it because the class stinks! What can she do to change the others' minds? And what does a smoked mackerel have to do with her plan?

The class stink!

Kian will do anything to avoid sex education with Gry because he finds it too awkward. Luckily, the technique fails and Kian sees it as an opportunity to escape. But he doesn't let go that easily.

Awkward sex education

After the last game of Caves and Dragons, Sif agreed to go on a date with Tue, and now the day has come. But Tue is super nervous, because how do you even go on a date? And has he really misunderstood Sif's answer?

Help - I'm going on a date!

When Johannes finds out that someone is trying to pick up his stepsister, Sif, he asks Tue for help. But why is Tue afraid to admit that it's really all about him?

Who is dating my sister?

Sofie is a huge fan of singer Ida, so when she discovers that Ida is offering a visit to the class that sends in the best video, she goes all in to win the competition. But what does the rest of the class think of Sofie's plan to win the competition all by herself?

Superfan of Ida (part 1)

Thanks to Musa, the class has won a visit with superstar Ida. Sofie is her biggest fan and freaks out when Ida asks her for help. But maybe it's actually Ida who can help Sofie.

Superfan of Ida (part 2)

Emma looks up to Kat's older sister, who makes beauty videos on TikTok, and will do anything to look like her. So when she gets the chance to try her skincare products, she's thrilled. But Emma is going to regret it.

Skincare fail

Thas and Sofie don't understand why everyone is asking Olly for advice when they need to find new book recommendations at the library. It turns out that Olly is using ChatGPT, but isn't that illegal?

Is ChatGPT cheating?

Valdemar is Gertrud's cousin, but when Caro and Mathilde think they're dating, she lies and says yes because she feels more comfortable now that she has a boyfriend. But how does Gertrud get out of this lie?

Flirt or cousin?

When Patrick gets bored in food class, he tries to create drama between students. However, it quickly backfires when he is found out and ends up paying the price for spreading false rumors.

Drama for baking competition

Caro has decided to break up with Cornelius, but wants to do it in a way that won't upset him. Is there even a good way to break up?

Cornelius is down after his breakup with Caroline, but doesn't dare show it to the other boys. He's afraid of being teased for being sensitive. But maybe he's not the only one?

Niels has found that standing up is much healthier than sitting down and doing work. Zoe, Musa and Jennifer see it as an opportunity to challenge him to stand all day.

Standing up all day

The school's neighbor, Miss Von Heckelschmerz, is furious when Niels, Musa, Zoe and Nadia play loud music at school. But what does a stolen dog and a secret past have to do with it all?

The school's creepy neighbor (part 1)

Niels, Musa, Zoe and Nadia are still in trouble with Miss Von Heckelschmerz. But it turns out that Zoe might be a lot closer to her neighbor than she thought. Maybe the neighbor drama is coming to an end?

The school's creepy neighbor (part 2)

Kian pressures Olly to set the class clock forward so they can have recess early. Unfortunately, Olly is busted by Patrick and Kian leaves him to take the blame. But is there really another prank in the works?

Kian tastes his own medicine

Sofie loves committees and gets angry when she's not allowed to join Baldur, Nadia and Esme's culture committee. Sofie pretends to be Swedish so she can join, but ends up letting her best friend down due to her massive FOMO.

Why is Sofie lying?

Someone has peed in Niels' bag and the accusation quickly falls on Hassan and Olivia, two creepy 9th graders. But what does Cornelius have to do with it all?

The big threats (part 1)

Cornelius admits to helping Hassan and Olivia after they blackmailed him with deepfake nudes. Now Niels will do anything to help Cornelius out of his predicament.

The big threats (part 2)

The class is back from spring break and Gertrud and Nadia are excited to tell Zoe that they have traveled climate-friendly during the holiday as agreed. But can Zoe live up to her own high standards when it comes to the climate?

What is Zoe hiding?

Erik is convinced that Lukas has a crush on Emma, although Lukas doesn't agree. But maybe it's all about Erik having a crush of his own that he's afraid to admit?

Who is crushing on Emma?

It's Sif's first day in theater club, and today they're playing a werewolf. Baldur and Luna compete to be the best actor in the class, but maybe it turns out to be someone else entirely?

Best actor in the class

The class is going for their annual check-up with the health visitor, where everyone finds out if they are on track. Thas has grown a lot during the year and fears she is "overweight". But maybe she's not the only one dreading today's check-up?

Am I normal?

The class has gone on a camp trip and everyone is excited - except for Johannes, who is afraid of the dark and sleeping in a tent, especially now that his best friend, Tue, has found other friends. But maybe he doesn't have to be so scared?

Camp trip (Part 1)

The rumor that Sif and Tue are dating has spread and Sif gets angry with Tue for telling. But why do they have to be secret lovers?

Camp trip (Part 2)

Jennifer worries about her mom, who seems lonely after her parents' divorce. So she skips a great concert and lies to Esme. But maybe Jennifer's concern is misguided?

Jennifer's lonely mother

The class is talking about confirmation and Baldur is in turmoil. Does he even want to be confirmed? And how do you know what you believe in?

Confirmation or not?

Mathilde discovers that Cornelius and Bjørk are dating. She does everything she can to prevent Caro from finding out that Cornelius has moved on. But is Mathilde too overprotective?

Who is Cornelius dating?

Esme is not allowed on social media and looks over Jennifer's shoulder as she has no screen rules. But when they see something creepy on TikTok, the girls have second thoughts. Maybe screen rules aren't so stupid after all?

No more screen

An investigation begins at school when the guitar from the music room is suddenly smashed to pieces. Three members of the class were in music class at the time of the crime - but who is guilty? Jennifer? Niels? Musa?

The smashed guitar

Mads has no energy today, which is why he has a crisis when he ends up in a group with Niels and Musa, who are completely hyper. How does it end up being 5 pencils that save Mads' day?

The pencil theories

Erik wants to join Lukas and David's gaming clan - but he's not good enough, so the boys tell him a lie that goes very, very wrong.

Ghosted for gaming

Niels has found a new trend on YouTube that he's sure will make him and Musa big on YouTube. Unfortunately, Niels ends up overstepping his own boundaries in the pursuit of success.

Rat snack challenge

When Kian arrives at school, he feels like Olly is giving him the cold shoulder. But why is Olly so angry? What has Kian done?

What have I done?

Nadia is feeling stressed and looking forward to a quiet evening with her family. However, she realizes that she forgot an appointment with Zoe and Gertrud and lies about why she can't make it.

Poor excuse

The class is making dream booklets in art class and Thas and Luna approach the task very differently. Is there a right and a wrong way to dream about your future?

Dreams for the future

The class arrives at the rehearsal with their own sketches, which together will make up their final show. But things quickly fall apart when everyone is offended by each other's teasing. Has the class's very last show been ruined?

An ugly dress rehearsal

Luna has nightmares about the first day of school in her new class where everyone hates her. But why is Luna so nervous?

A terrible start to school

The class gets nervous before the show starts when they realize that the new students are in the audience. Suddenly it becomes important that everything is perfect, but maybe the last day together should be about something completely different?

The big premiere

What is happening in the class? Who are friends, who are enemies - and who has had a mishap? The pupils have yet another day ahead of them.

S.I.S.T.E.R.S.

Seasons21

Season 18 Episodes48

Cast18

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