Sascha reveals to Johannes, who is dressed as Saint Nicholas, that his parents are on the verge of separation. Later, Johannes spies on Marion and her new boyfriend at the Christmas market.

The autumn is short-lived in Vorarlberg, and soon the mountain landscape is blanketed in snow. The ibexes are provided with feeding stations to ensure that they survive the winter.

To earn some money and help out his injured employee, Johannes visits several families pretending to be Saint Nicholas – and ends up making quite an impression.

When Marion comes by to help Johannes with his taxes, he finds out she's met someone else – news he doesn't deal with particularly well.

In this video, we get to observe the mating rituals of the chamois, and how a mother protects her young from a fox on the hunt.

Johannes asks his new employee, a psychology student, about love and relationships – but doesn't particularly like the answer he gets in return.

Petri's colleague is arrested, and Petri and his wife make amends. It's time for Julius, the young runaway, to say goodbye to Harry and go home – but Dirk has one last surprise.

Autumn in the Alps brings with it all kinds of new sights: the woolly sheep are rounded up by their owners, the larches are ablaze in color, the squirrels prepare for winter, and the mating battles are in full force among the stags.

As autumn approaches, the sheep are brought back to their winter quarters. In this segment, we also see how beautiful the region is in the evenings.

While Dirk bonds with the young runaway, Katja figures out what actually happened at the Harms company.

Konstantin, the new temp worker at the pet store, wonders why he's even needed considering how little money the store is making. Meanwhile, owner Johannes uses the store's problems to try to bring his ex-wife Marion – who also happens to be his neighbor – back into his life.

Canyoning is another popular activity in the Alps, but it isn't for the faint of heart. In a glorious natural setting, the group faces some tough passages and harrowing jumps over waterfalls.

Katja and Dirk arrive in time to stop Mr. Petri's madness and bring him in to the station. Meanwhile, Lothar finds out the truth about their supervisor.

Germany is not a big enough country to devote all of its land to creating renewable energy – but there is another place with vast expanses of empty space and limitless sunshine.

Whitewater rafting and kayaking are very popular but also very dangerous sports in the Alps. Here we see some remarkable footage of a few daring individuals making their way through the thundering rapids.