The Swiss wilderness boasts a variety of climate zones, flora, and fauna. There are raccoons, and at Lake Lugano, there are even some hoopoes.

Selma's family has invited Yara and Nico for dinner. Nico tries to prepare by learning the Syrian rules of etiquette, which unfortunately doesn't quite work out.

Our young detectives find out that Antonia is blackmailing Tayo's father.

This advertisement for Mercedes-Benz features Tennis player Roger Federer.

In the fourth part of this series on the Swiss wilderness, we find ourselves at Lake Maggiore in southern Ticino. Here, there are enormous catfish and bright green tree frogs.

While Antonia increases the pressure on Mr. Schulze, the young detectives look for ways to get to her phone.

The "Victoria" was the first four-wheeled vehicle to be produced by automotive pioneer Karl Benz. Now, the world's oldest roadworthy automobile is set to hit the road again. As with any old used car, the big question was: Will it pass the vehicle inspection?

A fascinating video about some unusual archaeological finds in the Rhine-Main area, dating from the late Roman era.

Kira's interference blows the whole thing wide open, leading to Mr. Schulze's suspension.

You won't win any prizes in foosball without practice. How do you pass the ball smoothly? How do you skillfully deflect the ball? World champion Frank Brauns shows amateur foosballers what's essential.

In the second part of this video on the Frankfurt silver inscription, various experts explain why this find is so special.

Femi is very worried about being taken away from his foster family. The young detectives stay on the case to expose Antonia's story for the lie that it is.

With Sophie's help, the young detectives are able to record a conversation between Antonia and Sophie that proves Martin Schulze's innocence.

Erfurt is a city in Thuringia with a charming, historical center. Ivana shows us its old alleyways, buildings, and other landmarks.

The first segment introduces us to the main characters who, aboard the train from Munich to East Berlin on August 13, 1961, will face a difficult decision: freedom or home.