Curtain up for the theater module - but without Joyce, please! Badu would like to have a new member in his sprint team, but Nesrin won't go to Einstein.

Viktor has to realize that passion comes from suffering. Just like Reena, when the math class stands on her stage. Only Sirius seems to have it easy.

Reena doesn't want to give up the theater and Joyce makes a shocking discovery. Hermann can't believe it: why doesn't anyone laugh at his pranks anymore?

A never-ending competition with Fabienne makes Rosa's upcycling project difficult. Joyce makes it to the theater with a flying effect.

Sibel is stressed from school and gets organizational coaching from Badu. Chiara feels her way into the theater and Colin and Julia make the impossible possible.

Gustav's well-intentioned plan threatens to fail. A kiss causes butterflies in the stomach and Nesrin doubts Annika's innocence.

The stage shakes. Joyce is angry. Study stress or pool fun? Sibel has to learn to let go. Annika and Nesrin can't, they're on cleaning duty.

Director Reena feels threatened by Chiara and Fabienne fails for the first time - at the expense of others. Gustav is overcome by a strange illness.

Reena has real competition in the theater. Julia and Colin want to interpret their relationship and Pawel wants to prove himself to everyone.

Change of director at the Einstein! Will the dress rehearsal be a success? In any case, Pawel wants to leave Einstein as a legend - but how is the crucial question.

Neither Fabienne's training nor the theater auditions go according to plan. Joyce shows Io a whole new side and Viktor has to fight his stage fright.

While Sibel is plagued by a guilty conscience, Gustav wants to cheer Reena up. And Sirius just wants one thing: to sleep! Not so easy at a full boarding school.

A change is imminent for the director of the theater program. Fabienne oversteps the mark and Julia finds her own way.

Io grows and finally says "no". Gustav fights with his feelings and Pawel fights for his favorite shirt - whatever the cost.

Sibel's new learning strategy worries Mrs. Levin. Fabienne has to learn team spirit to get ahead and Marlon leaves his fear behind in a pit.

A false accusation leads to a surprising confession. Marlon fights for Viktor's appearance in the theater and Gustav runs away from the truth.

Sibel's flashcards delight everyone, only Pawel is worried. Julia and Colin's trip to the movies ends in a sweet challenge. Joyce plans something strange.

It's Joyce's birthday and she's waiting for her present. Reena has to be rescued and Annika and Nesrin find their own way.

Io puts Joyce in need of an explanation. Sirius and Pawel celebrate a new dress code and Mrs. Stocker is in for a surprise from Hermann.

Joyce confronts Io with a difficult decision. Julia and Colin are trapped in a tablet and Nesrin leaves Mrs. Schiller hanging - but not Marlon.

Sibel is unable to contain her anger at Ms. Levin. Reena and the rest of the theater team are excited because the supermoon won't let anyone sleep.

Everything goes wrong in the lead-up to the competition. Who is behind it? Gustav wants to help Reena. Sibel tries to make peace, especially with herself.

Gustav fights for Possenhofen - and for his friendship with Reena. A letter from Lithuania holds a chance for Rosa. Joyce puts all her eggs in one basket.

Joyce is faced with a choice: her mother or her Einstein family? Julia wants to inspire Claudia Lenze with her game and Sirius receives a surprise visit.

Hermann has plans to go abroad, but not what Grandpa Zech thinks. Annika has a bad time with Badu and Nesrin is disappointed by Fabs.

Last day of school! The graduating class wants to inspire, but hasn't reckoned with Rosa. Marlon cheats karma. Joyce and Io make vacation plans.