The Big Bang Theory Episode 1.12 The Jerusalem Duality

In this episode a 14 year old wunderkind is introduced to the physics lab where Sheldon and Leonard work. Sheldon is threatened by this boy, because he can take Leonard's title of youngest genius away. Sheldon suffers a crisis of confidence, and his friends try to console him. In an attempt to restore his sense of purpose, the boys come up with a solution to derail the newcomer's research.