Nico and his friends order pizza and find out that someone has responded to the photograph of his aunt's bicycle shop on social media.

Piggeldy is curious about birdsong, and Frederick has a few questions he wants to answer for himself as well.

It seems as if Torben has been caught red-handed and the evidence adds up against Onno. Can they convince the police of their innocence?

Nico and Lisa eat pizza with Lisa's roommates and talk about the party they are having.

Harry and Henning have to apologize to Ina Grote and Onno Wulf. Meanwhile, the truth about what happened at Frauke Claassen's house is revealed.

Nawin receives some nice souvenirs at his farewell party, and he and Nico and Lisa discuss various German cities.

Translated: Piggeldy learns about meanness and cruelty in an outing that does not end particularly well.

Nico meets Selma, who is from Damascus, and learns how to speak about cardinal directions in German.

After it is revealed that Frauke Claassen tried to frame Torben Witt, Eileen Claassen asserts her independence. Harry and Lothar get revenge on Dirk for his role in the confusion surrounding Harry's training program.

The group plays a game with food from various countries. Nico learns that Nawin has gotten a job in France, but is reluctant to leave Germany.

As they clean up after the party, the group talks about the nationalities of the various guests and the languages they speak. Sebastian then interrupts with unexpected news.

Piggeldy wants to know what a fight is. It doesn't take long for him to find out!

Lisa is in a rush the next morning, but promises Nico that they will go see his aunt after she is finished with work.

Piggeldy and Frederick venture out into the snow to look for signs of other animals.

Lisa teaches her students the importance of learning nouns along with their articles so that the gender gets memorized as well.