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Series · 2020–Returning

Hey You! What If...

2 seasons·52 episodes·5 min avg.

Comedy science series for children aged 6 and over made to blow your mind, one question at a time!

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01
You Fell Into a Black Hole?Up next
Mar 2, 2020

Experience the most extraordinary ride in the universe – falling into a black hole.

02
You Could Dig Through the Earth?
Mar 3, 2020

The deepest hole humankind ever dug only got one thousandth of the way through the earth. But what would happen if you kept digging?

03
You Could Take a Lift to Space?
Mar 4, 2020

What would happen if there really was a lift that took you all the way up to space?

04
You Could Turn into a Giant?
Mar 5, 2020

Find out why turning into a huge giant would be no fairy tale.

05
You Could Go on Holiday to Mars?
Mar 6, 2020

Experience the ultimate in long-distance travel - a holiday on Mars!

06
You Could Levitate?
Mar 9, 2020

Good news - it’s possible to levitate! Bad news – there are some serious side effects.

07
Clouds Were Made Out of Cotton Wool?
Mar 10, 2020

Clouds might look like cotton wool, but if they were, things would get very messy.

08
The Earth Stopped Spinning?
Mar 11, 2020

Find out why stopping the Earth from spinning isn’t such a good idea.

09
The Moon Was Made of Cheese?
Mar 12, 2020

Things don’t quite go to plan when the moon turns into cheese.

10
The Earth Was Flat?
Mar 13, 2020

Find out why a flat Earth would feel very unflat indeed!

11
We Could Actually Stop Climate Change?
Mar 16, 2020

The planet is being destroyed - but this episode demonstrates the things you can do to help save it.

12
You Can't Wait for Christmas?
Mar 17, 2020

It really is possible to time travel into the future, and the team show you how!

13
You Could Shrink Yourself?
Mar 18, 2020

If you have always wanted to shrink yourself, this is the episode for you!

14
You Could Live on the Moon?
Mar 19, 2020

Some day people will live on the moon – find out just what they are in for.

15
Everything You Touched Turned to Gold?
Mar 20, 2020

What if you could turn things to gold? This episode shows that it might not work out that well.

16
You Could Actually Reach for the Stars?
Mar 23, 2020

Want to reach for the stars? It would be the journey of a lifetime - literally.

17
You Could Live in Slow Motion?
Mar 24, 2020

Find out why living in slow motion would let you see things no-one else can!

18
The Earth Was Shaped Like a Doughnut?
Mar 25, 2020

Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!

19
You Could Run at the Speed of Sound?
Mar 26, 2020

A fun run goes wrong when one ambitious runner tries running at the speed of sound.

20
You Try to Catch a Falling Star?
Mar 27, 2020

What happens if you try to catch a falling star? Spoiler alert - probably best not to try!

21
You Woke Up as a Lizard Superhero?
May 4, 2020

Why waking up with lizard powers would make you useless on earth but a superhero in space!

22
You Could Build a Gingerbread House?
May 5, 2020

It’s the ultimate baking challenge: making a gingerbread house you could actually live in.

23
You Could Teleport?
May 6, 2020

Is it really possible to teleport? Spoiler alert: it could end in disaster!

24
You Took All the Water Out of the Sea?
May 7, 2020

Empty the oceans and you’d see hidden wonders, but you’d also cause the end of the world.

25
You Could Switch Off the Sun?
May 8, 2020

See what would happen if you really could switch off the sun.

26
You Could Fly Like a Bird?
May 11, 2020

Anyone can fly like a bird – you just have to travel across the solar system to do it!

Cast

3 credited
NR
Neil Reynolds
Actor
DC
Damian Clark
Voiceover
Mandip Gill
Voiceover

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