“The Zarnecki Incursion” — When someone hacks Sheldon’s online game account, the guys go on a quest to find the culprit, on THE BIG BANG THEORY, Thursday, March 31 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Meanwhile, Penny shares some girl talk with her friends about Leonard and his new girlfriend. Pictured (left to right): Melissa Rauch, Kaley Cuoco, Mayim Bialik, Aarti Mann.
Photo: Chuck ZlotnickCBS
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