Scoop: THE BIG BANG THEORY on CBS - Tonight, February 20, 2014

Scoop: THE BIG BANG THEORY on CBS - Tonight, February 20, 2014 "The Proton Displacement" - Sheldon feels slighted when Professor Proton seeks advice from Leonard instead of him, and he seeks Revenge by befriending a rival Science TV host, Bill Nye. Meanwhile, Raj gets jealous when Howard crashes "girls' night," on a rebroadcast of THE BIG BANG THEORY, tonight, Feb. 20 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. (Originally broadcast 11/7/13.)

Leonard and Sheldon are brilliant physicists - geniuses in the laboratory, but socially challenged everywhere else. Enter beautiful, street-smart neighbor, Penny, who aims to teach them a thing or two about life. Despite their on-again, off-again relationship in the past, Leonard believes he's found true love with Penny. Even Sheldon has found a female companion, entering into a "Relationship Agreement" with neurobiologist Amy Farrah Fowler. In their free time, Leonard and Sheldon continue to enjoy frequent trips to the comic book store and fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Koothrappali, Wolowitz and Wolowitz's adorable microbiologist wife, Bernadette.

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