Hey You What if?

IMDb TVDB Trailer
  • :
  • : 52
  • : 0
  • CBBC
  • 8
  • Children Reality

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1
1x1
You Fell Into a Black Hole?
Episode overview
Experience the most extraordinary ride in the universe – falling into a black hole.
1x2
You Could Dig Through the Earth?
Episode 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?
1x3
You Could Take a Lift to Space?
Episode overview
What would happen if there really was a lift that took you all the way up to space?
1x4
You Could Turn Into a Giant?
Episode overview
Find out why turning into a huge giant would be no fairy tale.
1x5
You Could Go on Holiday to Mars?
Episode overview
Experience the ultimate in long distance travel - a holiday on Mars!
1x6
You Could Levitate?
Episode overview
Good news - it’s possible to levitate! Bad news – there are some serious side effects.
1x7
Clouds Were Made out of Cotton Wool?
Episode overview
Clouds might look like cotton wool, but if they really were, things would get very messy.
1x8
The Earth Stopped Spinning?
Episode overview
Find out why stopping the earth from spinning isn’t such a good idea.
1x9
The Moon Was Made of Cheese?
Episode overview
Things don’t quite go to plan when the moon turns into cheese.
1x10
The Earth Was Flat?
Episode overview
Find out why a flat Earth would feel very unflat indeed!
1x11
We Could Actually Stop Climate Change?
Episode overview
The planet is being destroyed - but this episode demonstrates the things you can do to help save it.
1x12
You Can't Wait for Christmas?
Episode overview
It really is possible to time travel into the future, and the team show you how!
1x13
You Could Shrink Yourself?
Episode overview
If you have always wanted to shrink yourself, this is the episode for you!
1x14
You Could Live on the Moon?
Episode overview
Some day people will live on the moon – find out just what they are in for.
1x15
Everything You Touched Turned to Gold?
Episode overview
What if you could turn things to gold? This episode shows that it might not work out that well.
1x16
You Could Actually Reach for the Stars?
Episode overview
Want to reach for the stars? It would be the journey of a lifetime - literally.
1x17
You Could Live in Slow Motion?
Episode overview
Find out why living in slow motion would let you see things no-one else can!
1x18
The Earth Was Shaped Like a Doughnut?
Episode overview
Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!
1x19
You Could Run at the Speed of Sound?
Episode overview
A fun run goes wrong when one ambitious runner tries running at the speed of sound.
1x20
You Try to Catch a Falling Star?
Episode overview
What happens if you try to catch a falling star? Spoiler alert - probably best not to try!
1x21
You Woke Up as a Lizard Superhero?
Episode overview
Why waking up with lizard powers would make you useless on earth but a superhero in space!
1x22
You Could Build a Gingerbread House?
Episode overview
It’s the ultimate baking challenge: making a gingerbread house you could actually live in.
1x23
You Could Teleport?
Episode overview
Is it really possible to teleport? Spoiler alert: it could end in disaster!
1x24
You Took All the Water Out of the Sea?
Episode overview
Empty the oceans and you’d see hidden wonders, but you’d also cause the end of the world.
1x25
You Could Switch Off the Sun?
Episode overview
See what would happen if you really could switch off the sun.
1x26
You Could Fly Like a Bird?
Episode overview
Anyone can fly like a bird – you just have to travel across the solar system to do it!

Characters