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Watch The Big Bang Theory Full Series Streaming

The Big Bang Theory is centered on five characters living in Pasadena, California: roommates Leonard Hofstadter and Sheldon Cooper; Penny, a waitress and aspiring actress who lives across the hall; and Leonard and Sheldon's equally geeky and socially awkward friends and co-workers, mechanical engineer Howard Wolowitz and astrophysicist Raj Koothrappali. The geekiness and intellect of the four guys is contrasted for comic effect with Penny's social skills and common sense.

Title The Big Bang Theory
First Air Date 2007-09-24
Last Air Date 2019-02-07
Number of Seasons 12
Number of Episodes 270
Runtime 22 min
Genres ,
Casts Simon Helberg (Howard Wolowitz), Johnny Galecki (Leonard Hofstadter), Jim Parsons (Sheldon Cooper), Kunal Nayyar (Rajesh Koothrappali), Kaley Cuoco (Penny), Mayim Bialik (Amy Farrah Fowler), Melissa Rauch (Bernadette Rostenkowski)
Plot Keywords The Big Bang Theory is centered on five characters living in Pasadena, California: roommates Leonard Hofstadter and Sheldon Cooper; Penny, a waitress and aspiring actress who lives across the hall; and Leonard and Sheldon's equally geeky and socially awkward friends and co-workers, mechanical engineer Howard Wolowitz and astrophysicist Raj Koothrappali. The geekiness and intellect of the four guys is contrasted for comic effect with Penny's social skills and common sense.,