The last episode sees self-confessed science geek and adrenaline junkie Greg under pressure as he and an inflatable friend attempt to dig to Australia.Episode 6 page
He will stop at nothing to answer some of life's weirder frequently asked questions and is sucked into quicksand to discover if it is as deadly as the movies make out. He eats a stupefying amount of fast food to see just how quickly you can get fat without really trying and, with the help of a pig, finds out whether it is physically possible to die of a broken heart.
Not your average half hour in front of the telly!
BBC Three Blog
Have you got a question that's always bugged you? Ever wanted to settle once and for all that classic argument about whether you should put your milk in first or last when making a cuppa? Or maybe discover why we can't tickle ourselves? Or see if science has got any secrets to rid you of your stinking hangover?Read his post for info
This is your chance to ask Greg a question ...