What happens if you try to catch a falling star? Spoiler alert - probably best not to try!
It’s the ultimate baking challenge: making a gingerbread house you could actually live in.
Empty the oceans and you’d see hidden wonders, but you’d also cause the end of the world.
Some day people will live on the moon – find out just what they are in for.
Why waking up with lizard powers would make you useless on earth but a superhero in space!
Find out why turning into a huge giant would be no fairy tale.
Good news - it’s possible to levitate! Bad news – there are some serious side effects.
It really is possible to time travel into the future, and the team show you how!
Things don’t quite go to plan when the moon turns into cheese.
Experience the most extraordinary ride in the universe – falling into a black hole.
If you have always wanted to shrink yourself, this is the episode for you!
The deepest hole humankind ever dug only got one thousandth of the way through the earth. But what would happen if you kept digging?
Find out why a flat earth would feel very unflat indeed!
Experience the ultimate in long-distance travel - a holiday on Mars!
Want to reach for the stars? It would be the journey of a lifetime - literally.
Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!
Clouds might look like cotton wool, but if they really were, things would get very messy.
Anyone can fly like a bird – you just have to travel across the solar system to do it!
Find out why stopping the earth from spinning isn’t such a good idea.
What if you could turn things to gold? This episode shows that it might not work out that well.