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THE BIG BANG THEORY Kaley Cuoco and Johnny Galecki
Mitchell Haddad

THE BIG BANG THEORY
RETURNED MARCH 17 · 8 PM · CBS
EPISODES LEFT: 8

WHERE WE LEFT OFF: Sheldon (Jim Parsons) and Leonard (Johnny Galecki) ''continued along as the smartest people in the world who don't understand how to get along in society,'' explains exec producer Bill Prady.

UP NEXT: Sheldon becomes ill and Penny (Kaley Cuoco) agrees to take care of him. He's also about to be caught in a social white lie and has no idea how to clear himself other than to lie further. DJ Qualls (Hustle & Flow) will play a physicist who helps the little fibster with his predicament. And if that doesn't put a smile on the face of fans, consider this: Big Bang has already received a full second-season pickup for 2008-09. —Lynette Rice