This video is about the German R. You'll learn how it's properly pronounced and why it's difficult for many German learners.

In this episode, we head deeper into the Ausseerland, where traditional dress is still a part of everyday life. The perfect shoes to complete the outfit are Haferlschuhe, hand-made by master shoemaker Sonja Grill.

"A white cross on a red background, our symbol of the Confederation: freedom, independence, peace. Open to the world in which we live, let us strive for justice!" These are the opening words of the Swiss Psalm, which was officially declared the national anthem of Switzerland in 1981.

We watch Martin Göksu cave diving and learn about the safety rules. Then the journey continues through the Austrian limestone Alps to the Erzberg, where iron has been mined for many centuries.

Andreas Gabalier sings the Austrian national anthem at the opening of the Formula 1 race at the Red Bull Ring in Spielberg. The anthem has been criticized for its lack of fair gender representation.

Peters manages to find out the current state of the investigation from Lona and Elling, but he doesn't reveal any information himself. Elling is suspicious, so he calls the Schwerin Criminal Investigation Police Office to check if everything is above board.

From Herberstein Castle, we continue into the mountains of the Fischbach Alps and Semmering with its historic railway line. Finally, we meet Markus Göksu, who dives into mysterious mountain caves.

At Herberstein Castle, Andrea Sagmeister creates fragrant culinary works of art from rose varieties that have blossomed for centuries. We learn how carefully she selects the flowers, processes them, and transforms them into delicious syrups and jellies.

The German National Anthem is beautifully sung by the Federal Children's Choir for German Unity Day in the old Bonn Federal Parliament plenary hall.

A dead fox on the road gives Lona and Elling new ideas about the motives of two different perpetrators. Jasper tries to learn more about Beck in a casual conversation with the Benders over a plate of smoked eel. Meanwhile, Peters, who followed Lona and Elling, identifies himself as an LKA investigator at the campsite and tries to get information about the current state of the investigation.

Moritz and Ivana guess which pets are being described—from fluffy to slimy, from sweet to mischievous. How well do you know your pets? Test your knowledge with our questions!

Sören Jasper goes to the fish stand at the Marnow campsite to do a bit of snooping around. He tries to strike up a conversation with the regulars, who knew Beck but mainly give him a hard time.

A hot summer day in the city – the nights pulsate, friends, music and freedom. "So Hot" is the soundtrack to endless summer nights and the feeling of simply living in the moment. The video, shot in Berlin's Kreuzberg district, features rapper Cro in his signature mask and the Dresden rap group 01099 out on the town.

Piber Castle in the Styrian Alps is home to one of the world's noblest horse breeds: the Lipizzaners. Each animal is carefully prepared for the Spanish Riding School in Vienna. Our journey now continues through western Styria to Herberstein Castle.

Lona and Elling drive to Santovaal, the company where Dreyer worked for years. From Dr. Fichte, they learn that Dreyer was a very distinguished employee to whom Santovaal owes a great deal.