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 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. Meanwhile, leonard makes a very adult purchase for penny Watch the big bang theory and other popular tv shows and movies including new releases, classics, hulu originals, and more
Plot summary, featured cast, reviews, articles, photos, videos, and where to watch. 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.
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