The Big Bang Theory
Thursdays 8:00 PM on CBSThe Big Bang Theory Episode Guide
A major secret abounds this week, as Leonard keeps quiet about an affair with Raj's sister. Will Sheldon keep the secret?
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Amy wants to introduce Sheldon to her mother on this episode. Meanwhile, Leonard is down on himself as he comes to terms with the fact that all the other guys have girlfriends.
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We learn of an embarrassing secret about Wolowitz this week. How is that for a tease?!? Read our recap to learn more.
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The focus of this week's episode: Sheldon's search for an alternative to human companionship. Read on to see how that goes.
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By the time he downloads his consciousness into a robot body, Sheldon realizes he'll be long gone. As a result, he attempts to make himself live longer.
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Penny tags along for Sheldon's first date on the fourth season premiere. Elsewhere, Wolowitz discovers a new use for a robotic arm.
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Blossom alert! Former sitcom star Mayim Bialik guest stars on the season finale as a potential love interest for Sheldon.
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Leonard tells Penny the story of how the apartment elevator broke through a series of flashbacks.
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Sheldon has a female physicist, Dr. Plimpton (Judy Greer) spend the night at the apartment.
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After Penny and Leonard break up, Sheldon goes behind Leonard's back to hang out with Penny.
