S1E11: We Could Actually Stop Climate Change? | Hey You, What If?

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Synopsis

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

Further Information

More clips from Hey You, What If?

S1E1: You Fell Into a Black Hole? | Hey You, What If?

S1E1: You Fell Into a Black Hole? | Hey You, What If?

CBBC | 2020 | 5'01''

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

S1E10: The Earth Was Flat? | Hey You, What If?

S1E10: The Earth Was Flat? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E12: You Can't Wait for Christmas? | Hey You, What If?

S1E12: You Can't Wait for Christmas? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E13: You Could Shrink Yourself? | Hey You, What If?

S1E13: You Could Shrink Yourself? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E14: You Could Live on the Moon? | Hey You, What If?

S1E14: You Could Live on the Moon? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E15: Everything You Touched Turned to Gold? | Hey You, What If?

S1E15: Everything You Touched Turned to Gold? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E16: You Could Actually Reach for the Stars? | Hey You, What If?

S1E16: You Could Actually Reach for the Stars? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E17: You Could Live in Slow Motion? | Hey You, What If?

S1E17: You Could Live in Slow Motion? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E18: The Earth Was Shaped Like a Doughnut? | Hey You, What If?

S1E18: The Earth Was Shaped Like a Doughnut? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E19: You Could Run at the Speed of Sound? | Hey You, What If?

S1E19: You Could Run at the Speed of Sound? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E2: You Could Dig Through the Earth? | Hey You, What If?

S1E2: You Could Dig Through the Earth? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E20: You Try to Catch a Falling Star? | Hey You, What If?

S1E20: You Try to Catch a Falling Star? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E21: You Woke Up as a Lizard Superhero? | Hey You, What If?

S1E21: You Woke Up as a Lizard Superhero? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E22: You Could Build a Gingerbread House? | Hey You, What If?

S1E22: You Could Build a Gingerbread House? | Hey You, What If?

CBBC | 2020 | 4'58''

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

S1E23: You Could Teleport? | Hey You, What If?

S1E23: You Could Teleport? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E24: You Took All the Water Out of the Sea? | Hey You, What If?

S1E24: You Took All the Water Out of the Sea? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E25: You Could Switch Off the Sun? | Hey You, What If?

S1E25: You Could Switch Off the Sun? | Hey You, What If?

CBBC | 2020 | 4'59''

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

S1E26: You Could Fly Like a Bird? | Hey You, What If?

S1E26: You Could Fly Like a Bird? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E3: You Could Take a Lift to Space? | Hey You, What If?

S1E3: You Could Take a Lift to Space? | Hey You, What If?

CBBC | 2020 | 5'00''

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

S1E4: You Could Turn Into a Giant? | Hey You, What If?

S1E4: You Could Turn Into a Giant? | Hey You, What If?

CBBC | 2020 | 5'01''

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