It’s been two hundred and fifty years since Ludwig van Beethoven was born in the city of Bonn, and this anniversary has provided an excellent opportunity for us to learn more about this famously hot-tempered musical genius.

Levin and Nele, who both aspire to be in the group of young detectives known as the Pfefferkörner, are at the Elbphilharmonie to watch piano prodigy Kim Soo-Ri rehearse. However, it seems someone there has sinister plans for him.

Animals in zoos enjoy all-inclusive full-board accommodation, but too much luxury can be a bad thing. To make sure the animals stay active, the keepers and vets need to come up with some creative solutions.

What does your diet have to do with climate protection? And what does the word "sustainable" really mean? Paula explains in this video.

All's well that ends well? You'll find out when you watch the last part of this episode. Enjoy!

Dirk fills Chief Küppers in on the latest, and a shocking revelation about Officer Kunert comes to light. The suspect is being watched, but an unforeseen turn of events threatens to derail the entire operation.

Paul finally knows what to do with his van. Elias is starting to feel at home in his new place, and Krabbe gets some tips on how to make compliments—but it still needs work.

Elias has somewhere new to hide out for a while. Meanwhile, Paul and Dirk have a heart-to-heart.

Dirk finally meets up with Elias. Suddenly, his colleagues from the homicide squad show up, and Elias recognizes one of them. After getting some key information, Dirk is starting to connect the dots.

The cab driver's alibi doesn't add up. Matthies wants to meet Elias but is stopped by his colleagues from the homicide squad.

Jonas's world implodes when he realizes that Oswald has gone. His father must have discovered his hideout...

The team is making some headway, despite the fact that Hannes has made a little error in his investigations. Meanwhile, Elias finally decides to meet Dirk.

14-year-old Kim Heizmann has proven that soccer is about so much more than scoring goals. In fact, he very probably saved the life of the opponents' goalkeeper during one match.

Dr. Hansen still doesn't have any patients, and his daughters are getting worried, too. Is there anything they can do to help? Meanwhile, he finally meets Jonas's family.

Hannes finds himself dealing with unexpected feelings. Meanwhile, Dirk and Paul talk with Onna and find out a bit more about Eilas. Elias is staying with his father, who is trying to protect him.