Hey You What If? Season 2 Episodes

Episode 3

We got rid of bugs?

Find out what would happen if there were no insects - it definitely isn't good news. Bugs might be annoying but if we got rid of them then we'd soon regret it - all our favourite foods would disappear... An exploration of what would happen if bugs went away. They might be annoying, but without them food would disappear, and there would be dung everywhere.

Episode 4

You needed two of you?

From cloning to 3D printing, what if we could actually make copies of ourselves? They say you can't be in two places at once but is that true? We try cloning, robot doubles and even 3D bio-printing... From cloning to 3D printing, the team explore what would happen if people could make copies of themselves.

Episode 13

You were the last person on Earth?

What would the planet be like if all other humans disappeared? If you were the last person on earth your manners would definitely get worse but on the plus side you'd be able to see some big improvements for life on the planet. Explores what the planet would be like if all other humans disappeared, leaving one person as the last person on earth.

Episode 14

You built a giant sand castle?

With the help of a giant gold steamroller, we make a sand castle as big as a real castle. Imagine how you could build a sandcastle the size of a real castle, using a pneumatic drill and a ginormous solid gold steamroller. What are the limits? Would it be stable? The team discover the answers to these questions.

Episode 15

You shrunk the Earth?

We find out what would happen if you shrank the earth. Think it's too far to the shops? Why not shrink the earth? The team find out what would happen if the Earth shrunk, including being able to jump higher and move faster, but also getting altitude sickness even at sea level. From reversing gravity to going invisible, see more crazy science experiments come to life as the world is turned upside down to see what happens.

Episode 17

You flew like a superhero?

Flying like a superhero might sound like fun, but there are some serious downsides. Flying like a superhero may sound like enormous fun, but there are some serious downsides that Hollywood does not talk about: weather, extreme cold and even fizzy blood. We answer the 'what if' questions that you never even thought to ask. Each episode asks a question and takes you on an unforgettable journey.

Episode 18

There Were No Colours