Watch clips as 成人论坛 Radio 1 presenter Scott Mills attempts to cross one of the world's most inhospitable deserts in Northern Kenya as part of the Red Nose Desert Trek.
Greg James agrees to get his ears pierced live on air to help support Scott Mills on the Red Nose Desert Trek and continue raising cash for Comic Relief!
See the Red Nose Desert Trek from Scott's perspective as the conditions get hotter and the terrain gets tougher. And why is Dermot O'Leary spitting out his water?