Lights off
Lights on

Summary

Sheldon and Amy Farrah Fowler are very compatible with each other, as evidenced by how well they can play "counter-factuals", a game they invented requiring them to know what the other is thinking when answering a question about "an alternate world that differs from ours in one key aspect" (Leonard flunks miserably when he attempts to play this game). Bringing Amy into the group is a source of consternation, as the guys can barely handle Sheldon by himself. At one lunch, Amy belittles Sheldon's occupation as a theoretical physicist relative to, in her opinion, her more superior occupation of neurobiologist which leads Sheldon to propose terminating their relationship. As a result of the breakup, Sheldon becomes more peculiar than his normal self, and adopts a cat as a substitute for Amy which grows to...

Episode Guide