Jo is so obsessed with his train that he forgets a promise he made to Naya.

Jo and Lu try to repair Naya's doll after accidentally breaking off its arm while playing pirates. The operation is top secret... but will they be able to glue the arm back on without Naya noticing?

Jo wants to perform a magic trick, but things don't work out the way he hoped.

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...

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?

"Fuchs, du hast die Gans gestohlen"("Fox, you stole the goose") is one of the most well known German children songs. A thievish fox gets a warning that stealing might result in his demise.

"Backe, backe Kuchen" is a popular German children's song. The lyrics can be traced back to a tradition in which a baker would signal that he was finished baking his bread so that the neighbors could come and use the warm oven to bake their cakes.

Pop singer Nena sings "La Le Lu," a well-known German lullaby.

This song about monkeys is well-liked by German children and appears in many books of children's songs.

This cute animated penguin video with a children's song has been a big hit on YouTube with more than a million views!