Three new students arrive at Einstein and Ms. Schiller prepares a big surprise to make them feel at home, but it is not well-received.

It's the first day of school and in Orientation the students are given a survey to find out which profession suits them better. Moritz is desperate to find a good story for the school paper. Cäcilia reluctantly agrees to show Leni around.

After having found out which profession suits them better, the Einsteiners have to be trainees for a day and no one's day goes quite as planned.

Hermann and Jona set out to prank their favourite target. Will they manage to get away with it?

Hauser's sport module is starting and he puts the Einsteiners' skills to the test. Meanwhile, Martha is determined to find out what's going on with Till and Flora's attitude begins to wear her sisters down.

Jona has a new experience to navigate through and doesn't know who to turn to for advice.

It's Mortiz's birthday, Viktor has a date and Hermann is still self-conscious after his chat with Jona.

Flora is more set than ever on leaving Einstein, whatever it takes, whether her sisters come along or not.

Rosa and Sibel try to convince Carolin to go to the final dance selection. Leni and Finja try to get ahold of Flora.

Viktor is still taking Badu's dating tips. Flora struggles to regain trust at Einstein.

Everyone's talking about Cäcilia and Viktor's date. Badu has decided all Viktor needs is some kissing practice and is willing to help him. Cäcilia is fed up with all the rumours and decides to open up to Leni about what really happened.

Hermann asks Pit for help with a new prank. Carolin faces a difficult decision.

Hermann is feeling guilty and tries to redeem himself. Rike and Anton start an investigation on Hauser's behalf and come close to uncovering some Einsteiners' secrets, though not the one they were meant to.

Everyone comes together to help Mr. Zech upon his return. Berger hands Moritz a new job, which he sees as an opportunity to finally expose whom he suspects to be an impostor.

Ms. Miesbach assigns a new art project, #NoFake, which leads to a couple of unexpected revelations.

Moritz is still hunting down all the information he can on the suspected impostor. Flora helps Rosa overcome a great fear.

Rike is uneasy about the last tarot card she pulled. Viktor's priorities seem to have shifted and Badu tries to bring him to his senses. Cäcilia prepares a surprise for Leni.

Rike and Badu meddle in Viktor's love life. Moritz finally has the big story he's been after since the school year started, but it threatens to expose an Einsteiner's secret.

Jona and Hermann make a bet. Viktor is distraught after how his "date" turned out. Moritz's article is out, how will everyone react?

Finja shows Pit a new magic trick she's been practising. Rosa and Flora make an unsettling discovery at their forest retreat. Martha's having doubts about her camping trip with Kasimir, Sibel tries to help her sort them out.

It's a big date for Pawel and Sibel. Flora calls upon Einsteiners for a big cause. Rosa sets off on a courageous endeavor.

Mid-terms are just around the corner, but a more weighty event calls for the Einsteiners' participation. Pawel tries acting tougher. Anton does his best to stay at Einstein.

The big campaign is over and while some think this calls for a celebration, others think they should instead focus on how to keep this changes and make some more. Rosa faces the aftermath of her decision. A newcomer struggles on their first day at Einstein.

Mid-terms are finally taking place, much to Finja's dismay, who keeps trying to get out of taking them. Will Flora finally get her to open up about what's going on? Pawel seeks Till's advice, but this just further complicates things with Sibel. Martha makes a big decision.

Rosa has a change of heart. Anton tries to come clean about why he came to Einstein, but is faced with disbelief. Hermann and Jona are back at it again with their pranks, but have they lost their touch?

Amidst a huge celebration, individual Einsteiners face great predicaments, but they soon learn there's always someone who has their back. After all: "one for all, all for Einstein".