Lisa wants her class to try giving up plastic for a week. She quickly realizes that it's more challenging than she first thought, but luckily, some sweet treats come in cardboard packaging too.

Do you know about mini doughnuts? They are much smaller than regular doughnuts, but just as delicious. Alina shows us her recipe for doughnuts with chocolate and lemon icing.

In this video, pain specialist Roland Liebscher-Bracht demonstrates three effective exercises for lower back pain.

Paula demonstrates how to bake vegan lemon Christmas cookies. Just watching her makes you want to try it out for yourself.

Have you heard of the Strasbourg Christmas market, one of Europe's most famous and oldest Christmas markets? No? Then come along and let Ivana guide you through the festive and beautifully decorated old town.

The environment concerns everyone—including these roommates! How can people be convinced to recycle and sustainably change their behavior as consumers? The four discuss what could be done.

It's time to play the Christmas ABCs! Paula and Alina take turns guessing Christmas-related words and share what they particularly like about this time of year.

Yara and her landlord are talking about climate change. Yara is appalled by how some people are so indifferent to the issue.

Paul has a hiking day today, so Jo, Naya, and Lu are pretending to have one, too.

Nico proudly tells Inge about his upcoming apprenticeship at Yara's bike shop, so Max and Tarek tease him about how hard he'll have to work. But Nico isn't worried; after all, surely he can take a siesta when the weather's hot...

Inge is complaining about her aches and pains. To lighten the mood, Max and Tarek ask her all about her recent vacation in Egypt.

It's cold outside, and Ibrahim is really struggling with the German winter. Today, he has come to Yara's shop because he's thinking of buying a used bike. Suddenly, he sees Nico working there; do they know each other?

Jo, Naya, and Ludwig are pretending to be Native Americans. They're sneaking around, painting their faces like warriors, and planning to build a teepee.

Lutz van der Horst lets his fears get the better of him at the German government's Digital Summit.

Federico shows us how easy it is to prepare a potato and ground meat casserole... even using vegan meat! Why not try it yourself?