Original air date: 09/21/2009 Runtime: 21:30 min. On the third season premiere, Sheldon (series star JIM PARSONS) flees back to Texas in disgrace when he learns that the guys tampered with his arctic expedition data – forcing his friends to follow him, and threatening Leonard’s (series star JOHNNY GALECKI) hopes for a romantic encounter with Penny (series star KALEY CUOCO).
Original air date: 09/28/2009 Runtime: 21:19 min. Leonard and Penny struggle to recover from an awkward first hookup, while Sheldon and Howard (series star SIMON HELBERG) stake their best comic books on a bet to determine the species of a cricket. LEWIS BLACK guest stars as an entymologist who settles the high-stakes bet.
Original air date: 11/23/2009 Runtime: 19:18 min. After he's humiliated on National Public Radio, Sheldon vows to destroy Kripke (guest star JOHN ROSS BOWIE), and the guys help Sheldon exact his revenge. Meanwhile, Wolowitz tries not to destroy his new relationship with Bernadette (guest star MELISSA RAUCH). KATEE SACKHOFF (Battlestar Galactica) makes a cameo as Wolowitz’s dream girl.
Original air date: 05/24/2010 Runtime: 20:09 min. In the third season finale, Wolowitz and Koothrappali search for Sheldon's perfect match online – and find Sheldon’s ideal woman (guest star MAYIM BIALIK). Meanwhile, Penny worries that dating Leonard has ruined her for normal guys.