What's the difference between "clean" and "dirty" energy? Sigrid reports on different kinds of energy and discusses trends in heating our homes.

"Walking in a Winter Wonderland" is a beloved Christmas carol. Sing along to the merry lyrics that have been brought to life by Mini Disco.

Isaac loves to travel and see different countries, and he’s found that Yabla is the best way to learn the languages he needs to speak!

Building something that works can bring a lot of satisfaction. In this case, it's building bikes. Paul likes figuring things out, and seeing what works and what doesn't. Together with a friend, he embarks on a challenging project: building an electric cargo bike!

"Santa Claus is coming to town" is a traditional pop song for the Christmas season and has been covered by numerous recording artists. Michael Bublé is a singer from British Columbia in Canada.

Mummy and Daddy Pig take Peppa and little brother George ice skating for the first time! Peppa is sure it will be easy, until she steps onto the slippery ice...

It's been a stormy and fiery year in the United States, both weather-wise and in the government.

Sigrid has more fun with limericks, attempting to sing one, and dedicating another limerick to her boss. She offers a final limerick from Edward Lear, the king of limericks. See Part 1 for instructions on how limericks work and how to write one.

Finally home! Sigrid talks about her trip home and how it feels to be back after a month away.

Joe and his family head to the mountains on a ski adventure. When they arrive, Joe doesn’t pay any attention to the rules at the ski resort, or the hotel pool! He soon ends up in hot water, and once again his poor family suffers the consequences...

Annette is in a park in beautiful Oxford, England today, and she wants to introduce us to the sport, or hobby, of slacklining. There’s a lot of skill involved, but Annette has mastered it, and she shows us how it’s done!

For the final days of Sigrid's visit to the New York area, she leaves the rocky North Shore and goes south to a place she knows very well from her childhood—the beach! It's a nice place to visit even in the cooler weather.

In part one, we learned how to create an assignment. In this second part, we learn how to locate previous assignments and copy them for use with a new class.

Katie Melua performs "Nine Million Bicycles" live in front a small audience. The song is from her album Piece by Piece.

We're back on Long Island, exploring the North Shore with an outing to a wildlife refuge on one of the necks, or small peninsulas that jut into the Long Island Sound, the body of water separating Long Island from Connecticut.