Nico is disappointed to find out they have the wrong address for his aunt's bike shop.

Frederick and Piggeldy go looking for rainbows, and in the process try to clarify exactly what they are.

Frederick tries to explain to Piggeldy about the spring season, but gets tangled up in references to Chinese food.

Nico comes by after Lisa is finished teaching. While Lisa is on the phone with a potential new housemate, Nico takes a look around the room.

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

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

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

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.

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.

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.

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

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

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

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.