The Big Bang Theory is an American sitcom from Chuck Lorre Productions and Warner Bros. The television ran twelve seasons on CBS.

The Big Bang Theory premiered on September 24, 2007, and the final season of the one-hour series aired on Thursday, May 16, 2019.

The Big Bang Theory stars Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, and Melissa Rauch. The Big Bang Theory was created by Chuck Lorre and Bill Prady. The Big Bang Theory focuses on physicists Sheldon Cooper and Leonard Hofstadter, whose eccentric, introverted lives change when Penny, a beautiful waitress and aspiring actress, moves in. apartment opposite them. Penny quickly became part of Sheldon and Leonard's social circle, which included equally eccentric engineer Howard Wolowitz and astrophysicist Raj Koothrappali. The group was later expanded to include Howard's wife, Bernadette Rostenkowski-Wolowitz, and Sheldon's wife, Amy Farrah Fowler.