It aired from september 24, 2007, to may 16, 2019, running for 12 seasons and 279 episodes Aspiring film actress penny moves into a pasadena apartment across the hall from brilliant, but socially awkward, physicists sheldon cooper and leonard hofstadter and shows them how little they know about life outside of the lab. Learn more about the full cast of the big bang theory with news, photos, videos and more at tv guide The big bang theory was one of the most popular tv shows about a group of awkward physicists whose social skills get tested when a cute neighbor moves into their apartment Since its premiere in 2007, the big bang theory has starred johnny galecki as leonard hofstadter, jim parsons as sheldon cooper, kaley cuoco as penny, simon helberg as howard wolowitz and kunal nayyar as raj koothrappali. Keep scrolling for a guide to each spinoff — and how they exist in the larger the big bang theory tv universe
Watch the big bang theory on hbo max Leonard is disappointed when penny develops an interest in an attractive physicist at the university Meanwhile, sheldon struggles to find an appropriate christmas gift for penny A pair of socially awkward theoretical physicists meet their new neighbor penny, who is their polar opposite. During the course of the series, 279 episodes of the big bang theory aired, between september 24, 2007, and may 16, 2019
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