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.

  1. Chuck Lorre


  2. Bill Prady


Top Billed Cast

  1. Jim Parsons

    Jim Parsons

    Sheldon Cooper

  2. Johnny Galecki

    Johnny Galecki

    Leonard Hofstadter

  3. Kaley Cuoco

    Kaley Cuoco


  4. Simon Helberg

    Simon Helberg

    Howard Wolowitz

  5. Kunal Nayyar

    Kunal Nayyar

    Rajesh Koothrappali

Full Cast & Crew

Last Season

The Big Bang Theory

Season 11

2017 | 24 Episodes

Season 11 of The Big Bang Theory premiered on September 25, 2017.

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The Big Bang Theory
The Big Bang Theory



Status Returning Series


  • See more TV shows from CBS...


  • TV-14


    This program contains some material that many parents would find unsuitable for children under 14 years of age.

Type Scripted

Original Language English

Runtime 22m

Homepage http://www.cbs.com/shows/big_bang_theory/



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