The planet is being destroyed - but this episode demonstrates the things you can do to help save it.
Empty the oceans and you’d see hidden wonders, but you’d also cause the end of the world.
It’s the ultimate baking challenge: making a gingerbread house you could actually live in.
A fun run goes wrong when one ambitious runner tries running at the speed of sound.
Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!
Want to reach for the stars? It would be the journey of a lifetime - literally.
What if you could turn things to gold? This episode shows that it might not work out that well.