本集要來探討是否能透過手机來打開車門；用閃電轟西瓜；三名專家要討論地心引力增加會帶來什么影響；研究在子彈列車上開槍會怎樣；設法增加你中樂透的机率；在高空用水球砸停著的車會如何；最後要來嘗試孵化超市買來的蛋。
What Would Happen If..? The show that's all about asking questions and finding answers, hosted by Dr. Marty Jopson. In this week's episode we see if it's possible to open your car door via a mobile phone; blast a watermelon with lightning; have three experts discussing the implications of an increase in gravity; demonstrate what would happen if you fired a gun on a train that was travelling at the speed of a bullet; attempt to improve your chance of winning the National Lottery; see the effect of dropping a water balloon from a great height onto a stationary car; and finally try to hatch an egg bought off the supermarket shelf.
