In this Cyberchase video clip, Harry learns the hard way that factoring a zero into a calculation can lead to suprising results. Harry and his circus audition partner Liza receive better scores than their competators in juggling, and unicycle-riding. After these two rounds, Harry is convinced that they will win spots in the troupe due to their seven point lead. However, since Harry never practiced balancing on a ball, he falls off and gets a score of "0" in this category. This impacts his team's overall score deeply and they lose the competition by one point.