The mail system developed by the little tiger and the little bear becomes a huge success in the forest, but these two have even more ideas to try out!

This is an animated version of the tragic poem by Johann Wolfgang von Goethe, set to music in the 19th century by composer Franz Schubert.

With Jo asleep, Naya engages her plan to make him clean the castle. Caruso helps her by singing along!

Naya has to be creative in finding ways to make Jo become her ideal prince!

The song "Eisbär" from the Swiss band Grauzone is a Neue Deutsche Welle ("German new wave") classic. An abridged version here is accompanied by brilliant animation.

Will Jo be able to complete the final challenge? Will he figure out that Naya is playing a trick on him? Here is the conclusion of this episode of JoNaLu.

It's hot outside and Jo, Naya, and little Lu really want ice cream. They've found the refrigerator, but where is the ice cream?

Jo, Naya, and Lu are looking for the sea but find themselves stranded! Luckily, water seems to be nearby...

Naya, Jo, and Lu learn the hard way that sometimes games can go a bit too far.

Jo has opened up a store, but needs a bit of help deciding where things go.

Shooting stars may be good luck, but so is having good friends.

Naya gives Lu and Jo cookies to help them get well, but it seems they might be faking.

The search for buried treasure begins!

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

The bicycle turned 200 years old on June 12, 2017. Of course, it hasn't always looked like it does today. This video shows the development over the last two centuries and introduces the inventors who were behind it.