Piggeldy and his big brother Frederick are out and about again, discovering and learning about the world. This time they set out to find where the sky begins.

John visits the Alice in Wonderland sculpture in Manhattan's Central Park, where he ponders the meaning of Lewis Carroll’s curious and imaginative literary work.

"The Joker and the Queen" is from Ed Sheeran's album = (pronounced "equals") and features Taylor Swift. The actors in the music video are in fact the same actors who as children featured in another duet of Sheeran and Swift's, “Everything Has Changed” from 2012.

Looking back, even after years have passed, the relationship and the painful loss and the hurt that followed are remembered all too well.

Always, usually, sometimes, or never? Can you say who is doing what, and how often they do it? In this episode of "Side by side," we learn some useful adverbs of frequency.

The senses of sight, hearing, touch, taste, and smell are essential in experiencing the world around us. Let's consider them one by one and learn how to use them in conversation. We start with "sight" and "hearing."

In the song "Overpass Graffiti," Ed Sheeran sings about how his feelings for his ex-girlfriend will never fade, much like "graffiti on the overpass."

“Elvis” opens the door to a nosy neighbor, and then has the difficult task of dissuading Alf, who still believes he’s in the presence of “The King.”

This vegan red lentil curry is a dish that can even convince people who don't believe they like to eat vegan food. It's easy, quick, and extremely delicious.

Maestro shows what can happen at conferences on the environment, where the blame is passed from person to person and little is resolved. But he also sees the necessity of paying attention to such issues, and encourages the kids to continue with their own plans to promote change.

This sci-fi action adventure has all the exciting elements of a great movie experience. A time-traveling pilot crash lands in the past and finds himself face-to-face with his younger self.

Traveling aboard the flying globe that Maestro himself has invented, the young environmentalists set out to see the situation in other parts of the world up close.

Katie Melua sings Simon & Garfunkel's famous song "Bridge Over Troubled Water", which has been covered by many different musical artists over the years. In this performance, she is accompanied by an orchestra and choir.

The song "Don't let me down" featuring Daya is from the album Collage by electronic duo The Chainsmokers. She sings about her fear of being let down at the wrong moment by the person she needs the most.

This hit single by Joan Osborne presents an unusual query for a pop song: What if God lived among us?