Big Bang Theory is an American sitcom developed by Chuck Lorre and Invoice Prady, each of whom serve as executive producers on the display. It premiered on CBS on September 24, 2007.

Set in Pasadena, California, the present is centered close to 5 characters: two roommate Caltech geniuses, experimental physicist Leonard Hofstadter and theoretical physicist Sheldon Cooper, their neighbor across the hall Penny, an attractive blonde waitress and aspiring actress, and Leonard's and Sheldon's pals Howard Wolowitz, an Aerospace engineer and also a non-PhD from JPL, and Rajesh Koothrappali, a particle astrophysicist postdoc also working at Caltech, are their equally geeky and socially awkward co-workers and friends.

The geekiness and intellect with the 4 guys are contrasted for comedian effect with Penny's social abilities and typical sense. Two other supporting characters have also been promoted to primary cast status for a couple of episodes: Leslie Winkle, a Caltech colleague of Leonard, Sheldon, and Raj; and Bernadette, a microbiology pupil who functions with Penny component time like a waitress.

The present is developed by Warner Bros. Tv and Chuck Lorre Productions. In August 2009, the sitcom gained the ideal comedy sequence TCA award and Jim Parsons won the award for individual achievement in comedy. In 2010, the show gained the People's Option Award for Favored Comedy, although Parsons gained a Primetime Emmy Award for Exceptional Guide Actor in a very Comedy Series.

Once the third time of year premiered on September 21, 2009, it ranked as CBS's highest-rated display of that night inside adults 18–49 demographic (four.6/10), along having a then series-high 12.83 million viewers. On Might 19, 2010, it was introduced that CBS will be moving the indicate to Thursdays at eight:00 ET for that 2010–2011 routine.

The show's preliminary pilot, created for your 2006–07 television year, was substantially diverse from its latest kind. Only Johnny Galecki and Jim Parsons were inside forged, along with the female lead, Katie, was envisioned as "a street-hardened, tough-as-nails lady with a vulnerable interior". Katie was performed by actress Amanda Walsh.

They also received a feminine friend called Gilda (performed by Iris Bahr)!!! The show's unique theme music was also diverse, utilizing Thomas Dolby's hit "She Blinded Me With Science" (This song was later employed because the ringtone for Howard's mobile phone within the period three episode "The Creepy Candy Coating Corollary")!

The display was not picked up, however the creators were offered an chance to revise the present, bringing from the remaining leading forged and retooling the indicate to its existing structure. The unique unaired pilot has by no means been released on any official format, but copies are available around the Net. On the evolution from the present, Lorre mentioned "We did the 'Big Bang Pilot' about two as well as a 50 percent decades ago, and it sucked.!!!. but there have been two remarkable things that worked completely, and that was Johnny and Jim. We rewrote the factor totally, after which we have been blessed with Kaley and Simon and Kunal."