Lu is battling a severe case of the hiccups that simply won't go away. Jo and Naya try to help and come up with lots of ideas.

The three friends are still trying to find a way to get rid of Lu's hiccups, and they come up with a new idea...

This video gives you the chance to test which fruits you know in German. How many can you guess correctly?

Lu has landed in a spider's web, which gives Scotty an idea ... Then Caruso the frog appears and turns out to be Lu's savior.

Caruso has an idea: Maybe singing will help against the hiccups. The three friends are happy to give it a try.

Carmen, the Spanish mouse, now also has an idea to get rid of Lu's hiccups. Will she have more luck and finally be able to help him?

Jo and Naya's plan to give Ludwig a fright to get rid of his hiccups fails, but they accidentally find a method that finally helps. And it's fun too!

Ludwig is all excited because he has been hearing strange noises in the night. Could it be a ghost?

Even with high-tech running shoes, lots of people still suffer injuries. Barefoot running could be the solution! Knee, hip, and back injuries are often caused by an incorrect gait, which running shoes tend to exacerbate. So should we run barefoot like our ancestors?