Hey You! What If... - CBBC - BBC

/** * https://gist.github.com/samthor/64b114e4a4f539915a95b91ffd340acc */ (function() { var check = document.createElement('script'); if (!('noModule' in check) && 'onbeforeload' in check) { var = false; document.addEventListener('beforeload', function(e) { if (e.target === check) { = true; } else if (!e.target.hasAttribute('nomodule') || !) { return; } e.preventDefault(); }, true); check.type = 'module'; check.src = '.'; document.head.appendChild(check); check.remove(); } }());

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 where the impossible is made possible to find the answer!

Watch on iPlayer

What if: Space

Hey You! What If You Could Holiday on Mars?

How long would it take you to get to Mars? What is there to see? Experience the ultimate in long-distance travel - a holiday on Mars!

More on this

What if: Animals

What if: Up in the air

All Hey You! What if...