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