Hey You! What If... - Season 1

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You Fell Into a Black Hole?

1 - You Fell Into a Black Hole?

Air Date: March 2, 2020

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

You Could Dig Through the Earth?

2 - You Could Dig Through the Earth?

Air Date: March 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?

You Could Take a Lift to Space?

3 - You Could Take a Lift to Space?

Air Date: March 4, 2020

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

You Could Turn into a Giant?

4 - You Could Turn into a Giant?

Air Date: March 5, 2020

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

You Could Go on Holiday to Mars?

5 - You Could Go on Holiday to Mars?

Air Date: March 6, 2020

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

You Could Levitate?

6 - You Could Levitate?

Air Date: March 9, 2020

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

Clouds Were Made Out of Cotton Wool?

7 - Clouds Were Made Out of Cotton Wool?

Air Date: March 10, 2020

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

The Earth Stopped Spinning?

8 - The Earth Stopped Spinning?

Air Date: March 11, 2020

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

The Moon Was Made of Cheese?

9 - The Moon Was Made of Cheese?

Air Date: March 12, 2020

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

The Earth Was Flat?

10 - The Earth Was Flat?

Air Date: March 13, 2020

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

We Could Actually Stop Climate Change?

11 - We Could Actually Stop Climate Change?

Air Date: March 16, 2020

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

You Can't Wait for Christmas?

12 - You Can't Wait for Christmas?

Air Date: March 17, 2020

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

You Could Shrink Yourself?

13 - You Could Shrink Yourself?

Air Date: March 18, 2020

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

You Could Live on the Moon?

14 - You Could Live on the Moon?

Air Date: March 19, 2020

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

Everything You Touched Turned to Gold?

15 - Everything You Touched Turned to Gold?

Air Date: March 20, 2020

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

You Could Actually Reach for the Stars?

16 - You Could Actually Reach for the Stars?

Air Date: March 23, 2020

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

You Could Live in Slow Motion?

17 - You Could Live in Slow Motion?

Air Date: March 24, 2020

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

The Earth Was Shaped Like a Doughnut?

18 - The Earth Was Shaped Like a Doughnut?

Air Date: March 25, 2020

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

You Could Run at the Speed of Sound?

19 - You Could Run at the Speed of Sound?

Air Date: March 26, 2020

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

You Try to Catch a Falling Star?

20 - You Try to Catch a Falling Star?

Air Date: March 27, 2020

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

You Woke Up as a Lizard Superhero?

21 - You Woke Up as a Lizard Superhero?

Air Date: May 4, 2020

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

You Could Build a Gingerbread House?

22 - You Could Build a Gingerbread House?

Air Date: May 5, 2020

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

You Could Teleport?

23 - You Could Teleport?

Air Date: May 6, 2020

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

You Took All the Water Out of the Sea?

24 - You Took All the Water Out of the Sea?

Air Date: May 7, 2020

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

You Could Switch Off the Sun?

25 - You Could Switch Off the Sun?

Air Date: May 8, 2020

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

You Could Fly Like a Bird?

26 - You Could Fly Like a Bird?

Air Date: May 11, 2020

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