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.

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

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.

With almost no wind at all, the weather is ideal for Florian and Natali to join scientists from the Heligoland Biological Institute on a dive, where they observe porpoises and other marine animals in their protected habitat. Höchst interessant!

Even though the catshark's rough skin makes it a less than ideal meal, this doesn't keep the hungry gray seal from trying. However, the seal takes time off from the hunt to make friends with the divers.

A new school day, a new case. When Emma learns about a possible extortion, she immediately takes off for school to check in with her fellow detectives!

The first ever interview with the Merkel operator — the little man at the helm of German political power is finally revealed.

Now Florian and Natali leave behind the Oosterschelde and take to the air! In this episode, we get a glimpse of the mud flats in the intertidal zone: home to friendly seals and a resting place for migratory birds.

Greetings again from Linkenheim! In this second clip, Yabla reporter Cettina returns with more Fasching interviews and asks the oddly-dressed revelers about their diverse and creative costumes. Viel Spaß!

A humorous take on the long-running German television series Tatort ("Crime Scene") and crime shows in general! Viel Spaß!

In this installment, the sea creatures in the Oosterschelde are busy spawning and the male cuttlefish prepare for mating battle.

In the series finale, Corinna finds Mark on her doorstep standing in the pouring rain. Judging from the melancholy French chanson in the credits, there seems to be a spark of hope for them.

Dressed as the schlager star Heino, Otto does a parody of Heino's cover version of the song "Junge," originally by the German punk band Die Ärzte.

Legendary German band Die Toten Hosen sing their song "Europa" about the adversity faced by refugees.

Otto reveals his true feelings about performing in Kempten with the help of a lie detector.