We see how Yara got a phone call two weeks ago that led to her unexpectedly flying to Switzerland.

As spring struggles to break through, blooming flowers may be preserved in ice. Meanwhile, the male grouse tries to attract potential mates.

So where is Yara? Lisa's father asks Nico and Yara's friends a series of questions. Then they find some evidence that Yara might be in Switzerland. But why?

When a new video camera arrives for Papa Wutz, the whole family tries it out.

In the spring, birds have to work hard to feed their hungry offspring and keep them safe in beautiful, yet harsh environments.

Both perpetrators are caught in their respective crimes in this final segment, allowing Katja and Nicki to move on with their lives.

Oskar and Yvonne declare their love for each other, while Danuta, Tom, and Vilo look on. We see that Tom later on becomes a famous writer, with Danuta as his ghostwriter and Vilo as his agent.

In this segment, we follow a badger and a fox family through the beautiful sunlit forests of the alps.

When the autopsy records reveal that Katja's father couldn't have killed himself, the group realizes it is time to go after the murderer. Meanwhile, Nicki learns that her father is deceiving her.

Selma comes to the apartment to see if Nico accidentally took her wallet after their shopping trip. While Nico frantically gets dressed, she talks to Inga about her family.

Besides Oktoberfest, what else do you know about Bavaria? Cettina and Sarah go through the geography, history, and other facts related to Germany's largest federal state.

Oskar's brother comes home to a terrible scene: his uncle dead, and Yvonne's mother unconscious. Meanwhile, Yvonne reads Oskar's letter.

As they consider destroying the murder weapon, Lothar, Ben, and Katja go back to the scene of Katja's father's death.

When Peppa loses her shoes, Mama Wutz takes her to buy new ones. Peppa loves her new red shoes so much that she refuses to take them off. Soon, however, she realizes that they aren't so good for certain activities that pigs love.

As the snow melts in many areas of the mountains, plants and animals alike emerge in the fresh spring air.