‘The Big Bang Theory’ Episode Guide (Dec. 14): Sheldon and Wolowitz Plan Amy and Halley’s Birthday Parties

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‘The Big Bang Theory’ Episode Guide (Dec. 14): Sheldon and Wolowitz Plan Amy and Halley’s Birthday Parties

“The Celebration Reverberation” (12/14/17) – Sheldon and Wolowitz plan birthday celebrations for Amy and Halley, respectively. Also, Leonard receives a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments, on “The Big Bang Theory,” Thursday, Dec. 14 (8:00-8:31 PM, ET/PT) on the CBS Television Network.

The teleplay for “The Celebration Reverberation” was written by Dave Goetsch, Maria Ferrari and Jeremy Howe. It was directed by Mark Cendrowski.

“The Big Bang Theory” centers around brilliant physicists Leonard and Sheldon – 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 and Penny have finally gotten married. Even Sheldon has found a female companion, entering into a “relationship agreement” with neurobiologist Amy Farrah Fowler, and he recently took their relationship to the next level by proposing marriage.

In their free time, Leonard and Sheldon enjoy fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Koothrappali, Wolowitz and Wolowitz’s adorable microbiologist wife, Bernadette, who is adjusting to life with their new baby girl.

“The Big Bang Theory” stars Jim Parsons (Sheldon Cooper), Johnny Galecki (Leonard Hofstadter), Kaley Cuoco (Penny), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Rajesh Koothrappali), Mayim Bialik (Amy Farrah Fowler), and Melissa Rauch (Bernadette Rostenkowski).

“The Big Bang Theory” is co-created by Chuck Lorre and Bill Prady. It’s produced by Chuck Lorre Productions, Inc., in association with Warner Bros. Television. Chuck Lorre, Bill Prady and Steven Molaro serve as executive producers.

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