What Would Happen If..? The show that owes its very being to the inquisitive minds of our society, who ask the most ridiculous questions, hosted by Dr. Marty Jopson. On this week's show, yet more questions such as What Would Happen If you replied to all the spam e-mails that arrive in your inbox; what is the outcome of a 9mm bullet hitting a mobile phone; could a man-made stone skimmer beat a human; what happens when you take 7,000 sparklers tie them together and set them alight; and our 3 Brains In a Box consider alien contact?