The Big Bang Theory Season - 1 - 12 -2007 - 19- -...

As the show found its footing, the writers began to expand the world beyond the living room of Apartment 4A. Season 2 solidified the "Will they/Won't they" tension between Leonard and Penny, a staple of sitcom history. However, it was the introduction of Bernadette Rostenkowski (Melissa Rauch) in Season 3 that signaled a shift in the series' DNA.

When The Big Bang Theory premiered on CBS on September 24, 2007, few predicted it would run for 12 seasons, win 10 Emmy Awards, and become one of the most successful sitcoms in television history. Created by Chuck Lorre and Bill Prady, the show centered on two brilliant but socially dysfunctional physicists, Leonard Hofstadter and Sheldon Cooper, and their friendship with an aspiring actress and waitress, Penny, who moved in next door. The Big Bang Theory Season 1 - 12 -2007 - 19- -...

The Big Bang Theory is an American sitcom that aired on CBS from September 24, 2007 May 16, 2019 . Over its 12-season run, the show produced a total of 279 episodes Series Overview Seasons 1–12 As the show found its footing, the writers

Jim Parsons and Mayim Bialik both win Critics’ Choice Awards. When The Big Bang Theory premiered on CBS

Season 4 marked a pivotal moment with the introduction of Amy Farrah Fowler (Mayim Bialik). Initially introduced as a female Sheldon, Amy evolved from a purely logical, emotionless scientist into the show's heart. Her "bestie" relationship with Penny and her eventual romance with Sheldon allowed the series to explore emotional growth in characters who were resistant to it. By the end of Season 4, the show had successfully transitioned from a show about nerds to a show about people who happen to be nerds.

: Although characters are shown climbing multiple floors, the set only features one flight of stairs. Crew members had to redecorate it between shots to make it look like different levels.