1x12 The Jerusalem Duality
First Aired: Apr. 14, 2008 on CBS
Summary: Leonard and Sheldon meet a 15-year-old physics prodigy and Sheldon is thrown off that the boy is younger and smarter than himself. This leads the boys to try to come up with a way to restore Sheldon's sense of self and ultimately decide to try to throw Dennis' research.
Guest Stars[no credits found]