Duration: 5'00''
Empty the oceans and you’d see hidden wonders, but you'd also cause the end of the world.
Licence: ERA Licence required
UK only Staff and students of licensed education establishments only Cannot be adapted
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S1E1: You Fell Into a Black Hole? | Hey You, What If?
Experience the most extraordinary ride in the universe - falling into a black hole.
S1E10: The Earth Was Flat? | Hey You, What If?
Find out why a flat Earth would feel very unflat indeed!
S1E11: We Could Actually Stop Climate Change? | Hey You, What If?
The planet is being destroyed - but this episode demonstrates the things you can do to help save it.
S1E12: You Can't Wait for Christmas? | Hey You, What If?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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?
It's the ultimate baking challenge: making a gingerbread house you could actually live in.
S1E23: You Could Teleport? | Hey You, What If?
Is it really possible to teleport? Spoiler alert: it could end in disaster!
S1E25: You Could Switch Off the Sun? | Hey You, What If?
See what would happen if you really could switch off the sun.
S1E26: You Could Fly Like a Bird? | Hey You, What If?
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?
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?
Find out why turning into a huge giant would be no fairy tale.
2: The Bottom of the Ocean | Richard Hammond's Journey To...
What lies at the bottom of the oceans? What would happen if the planet lost its oceans? Richard Hammond is going...
4: Oceans | A Perfect Planet
How Earth's five oceans connect to form the largest ecosystem on the planet, and how its network of currents supports the health of the seas and...
4: Oceans | Earth: The Power of the Planet
Iain travels to surfers' paradise Hawaii to learn more about oceans, explaining the difference between waves, tides and currents.
S2E1: Shark People of the Pacific | Tribes, Predators & Me
Gordon Buchanan joins a family in a tropical paradise to learn how to swim with sharks. Freedivers teach Gordon ab...
The largest waterfall in the world | Royal Institution Christmas Lectures
Dr Helen Czerski explains how a waterfall under the ocean produces a warmer water on top and colder...
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