How do coral reefs form, and what role do they play for underwater creatures such as fish? In this video, you can see some fascinating life forms and how they interact with one another.

Justus Kliss offers an analysis of Chancellor Angela Merkel's coronavirus television address and what it means for the coming weeks. He compares her strategy to that of French President Emmanuel Macron, and finds it admirable how she focuses on solidarity.

German pop musicians Max Giesinger and Lotte talk about the creative process and the stages of producing a new album – including waiting for it to finally be released!

Brilliantly colorful parrot fish and two-bar sea bream are among the fish featured in this segment. Sea cucumbers, the vacuum cleaners of all the Earth's oceans, also make an appearance.

Nico and his new roommates talk about his relationship with his brother, Pepe. Then Lisa gets some good news.

In Part 2 of this episode, Oliver discusses the problems that schools face as they begin to reopen in Germany — and also looks at the implications for summer vacation plans.

Here's a flashback to when Frankfurt Airport was buzzing with activity. The airport opened its doors in celebration of Mother's Day, offering special activities and prizes. Despite strikes at the time, the transportation industry was doing quite well.

Henri and Emma finally chase down the thief – and prove that Nina didn't steal any of the wallets.

Singers Max Giesinger and Lotte talk about the very first songs they wrote, and the different directions the video for their song "Auf das, was da noch kommt" ("Here's to What's to Come") could have taken.

In a tense confrontation with her landlord, Yara learns that the rent she pays for her bicycle shop will increase starting in January.

Kasperle, or Kasper, is a traditional puppet character from the German-speaking world, and “Kasperletheater” (Kasper shows) are performed in a manner similar to that of the UK’s “Punch and Judy.” Here, the King has lost the key to his beloved treasury—and, with the King’s promise of a reward, Kasper is eager to help him find it.

In this final segment, Jan Böhmermann and the rest of the panel talk about to what extent jokes can be made about certain groups. Are there times when they create actual stereotypes and thus become harmful?

After the Peppercorns wrap up the case of the stolen wallets, Max sets off on his bike to his grandmother's food truck – and has an unfortunate encounter along the way.

As part of Lisa's German lesson, Nico and Selma discuss their interests. Nico learns that Selma has never learned how to ride a bike, so he offers to teach her.

Deine Freunde is a German group that writes rap songs for children. This song is about the contrast between what you have to eat at home and what you get to eat at Grandma's when you're a kid.