Walter Petri refuses to believe that one of his designs could have been flawed, and is furious at his wife for talking with the company's boss behind his back.

In this video, physicist and author Harald Lesch talks about how Germany could phase out coal and nuclear power completely and still meet all of its energy needs.

At the station, the group tries to figure out whether Küppers is actually pregnant and where the young runaway came from. When Walter Petri returns to work and locks himself in his former office, the real reason for his early retirement is revealed.

At home with Harry, the runaway finally speaks. Meanwhile, Walter Petri follows Dirk's advice and returns to his former office – but he doesn't like what he finds there.

In this segment, we explore the beautiful landscape around the Staller Saddle mountain pass, visiting alpine roses, a pack of magnificent stags, and a traditional tavern where local farmers carry out their negotiations.

After Henning's mistake, the group finds the young stowaway hiding in a dumpster. Meanwhile, Lothar uncovers new information about Superintendent Küppers.

Harry and Henning are called to the harbor, where a young stowaway has been found on a ship that was leaving for Sweden. Henning takes a personal call, during which the young stowaway disappears.

Up in the mountains, a vulture and an eagle fight for their territory while conservationists watch closely. The series ends with a view of the Venediger Group, a famous high mountain range.

Großstadtrevier is a German TV series about a group of police officers who work together in the city of Hamburg.
This episode immediately presents two mysteries at the station: one in the form of a fancy package for the police chief superintendent, and the other in the form of an angry phone call. Dirk and Katja are then called to a local company, where a man is refusing to leave his desk despite having retired.

In this segment, we see how the churned butter is put into a traditional wooden mold, take a look at some more farm animals, and catch a glimpse of the "Daberklamm," an alpine gorge.

This episode comes with spectacular views on Austrian lakes and introduces the daffodil festival in Grundlsee.

The segment features more footage of the alpine black grouse, as well as a festival held by the local religious community in the valley of Kals.

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

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.