Singer-songwriter Tim Bendzko sings his hit single "Nur noch kurz die Welt retten" ("Just Briefly Save the World") live at Radio Hamburg. Viel Spaß beim Zuhören!

Madeleine continues to be blackmailed, but Nina, Emma, and Max are on the case. Meanwhile, Matteo leaves the house and runs right into the main suspect.

A blast from the past: With his single „Was soll das?" ("What's This All About?"), German musician Herbert Grönemeyer reached number three on the charts in 1988. Viel Spaß!

Bastian is the guest star at the grand opening of Ralf Richter's new Nepali restaurant. Probably not a good idea. Viel Spaß!

Alina and Sabine show us how to make apple pancakes — German style!

Sandra puts "her" teacher Herr Schniedelwutz through the rounds as he tries to explain to her that Hitler is not the current president of Germany.

Because of its rocky subfloor, a unique marine ecosystem has sprung up off Heligoland. Florian and biologist Karin Boos take a closer look.

Volunteer firefighter Michael Morano describes the structure of the fire department in the city of Heidelberg and shows us the equipment on board a fire engine. He then discusses the advancements in technology that help put out fires quickly and efficiently.

On one of his ocean adventures, Sinbad the Sailor learns what true riches are. A tale from One Thousand and One Nights, the definitive collection of stories from the Islamic Golden Age.

When Nina finds out that her brother Matteo has disappeared, she and her detective friends form a search party.

Mark Forster is a German singer-songwriter. Check out his great performance of "Bauch und Kopf" ("Stomach and Head"), a song about restlessness and indecision.

This clip was created under the auspices of the pilot project "Weil wir es wert sind!" ("Because we're worth it!") of the Rain Forest Foundation OroVerde! Its purpose is to create awareness of the relationship between the rain forest, CO₂ emissions, and climate change!

After observing up close the birth of skeleton shrimp in a small aquarium, Florian and Natali go diving off Heligoland in search of nocturnal marine creatures. Faszinierend!

Volunteer firefighter Michael Morano shows us the equipment the fire department in Heidelberg uses to save car crash victims trapped in their vehicles.

Timo Uetz has dropped out of college to do an electronics apprenticeship. Now free from the stress of taking exams and writing term papers, he's earning his own money. Many young people today in Germany are trading their theoretical courses for practical apprenticeships. Sehr interessant!