Hey You! What If...
Season 1
202026 episodes
Episodes
E1You Fell Into a Black Hole?
2020-03-02 · 5m
Experience the most extraordinary ride in the universe – falling into a black hole.
E2You Could Dig Through the Earth?
2020-03-03 · 5m
The deepest hole humankind ever dug only got one thousandth of the way through the earth. But what would happen if you kept digging?
E3You Could Take a Lift to Space?
2020-03-04 · 5m
What would happen if there really was a lift that took you all the way up to space?
E4You Could Turn into a Giant?
2020-03-05 · 5m
Find out why turning into a huge giant would be no fairy tale.
E5You Could Go on Holiday to Mars?
2020-03-06 · 5m
Experience the ultimate in long-distance travel - a holiday on Mars!
E6You Could Levitate?
2020-03-09 · 5m
Good news - it’s possible to levitate! Bad news – there are some serious side effects.
E7Clouds Were Made Out of Cotton Wool?
2020-03-10 · 5m
Clouds might look like cotton wool, but if they were, things would get very messy.
E8The Earth Stopped Spinning?
2020-03-11 · 5m
Find out why stopping the Earth from spinning isn’t such a good idea.
E9The Moon Was Made of Cheese?
2020-03-12 · 5m
Things don’t quite go to plan when the moon turns into cheese.
E10The Earth Was Flat?
2020-03-13 · 5m
Find out why a flat Earth would feel very unflat indeed!
E11We Could Actually Stop Climate Change?
2020-03-16 · 5m
The planet is being destroyed - but this episode demonstrates the things you can do to help save it.
E12You Can't Wait for Christmas?
2020-03-17 · 5m
It really is possible to time travel into the future, and the team show you how!
E13You Could Shrink Yourself?
2020-03-18 · 5m
If you have always wanted to shrink yourself, this is the episode for you!
E14You Could Live on the Moon?
2020-03-19 · 5m
Some day people will live on the moon – find out just what they are in for.
E15Everything You Touched Turned to Gold?
2020-03-20 · 5m
What if you could turn things to gold? This episode shows that it might not work out that well.
E16You Could Actually Reach for the Stars?
2020-03-23 · 5m
Want to reach for the stars? It would be the journey of a lifetime - literally.
E17You Could Live in Slow Motion?
2020-03-24 · 5m
Find out why living in slow motion would let you see things no-one else can!
E18The Earth Was Shaped Like a Doughnut?
2020-03-25 · 5m
Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!
E19You Could Run at the Speed of Sound?
2020-03-26 · 5m
A fun run goes wrong when one ambitious runner tries running at the speed of sound.
E20You Try to Catch a Falling Star?
2020-03-27 · 5m
What happens if you try to catch a falling star? Spoiler alert - probably best not to try!
E21You Woke Up as a Lizard Superhero?
2020-05-04 · 5m
Why waking up with lizard powers would make you useless on earth but a superhero in space!
E22You Could Build a Gingerbread House?
2020-05-05 · 5m
It’s the ultimate baking challenge: making a gingerbread house you could actually live in.
E23You Could Teleport?
2020-05-06 · 5m
Is it really possible to teleport? Spoiler alert: it could end in disaster!
E24You Took All the Water Out of the Sea?
2020-05-07 · 5m
Empty the oceans and you’d see hidden wonders, but you’d also cause the end of the world.
E25You Could Switch Off the Sun?
2020-05-08 · 5m
See what would happen if you really could switch off the sun.
E26You Could Fly Like a Bird?
2020-05-11 · 5m
Anyone can fly like a bird – you just have to travel across the solar system to do it!