Big Bang Theory S01

The first season of The Big Bang Theory consists of that originally aired on CBS between September 2007 and May 2008. It introduces the core dynamic of the series: brilliant but socially inept physicists Leonard Hofstadter and Sheldon Cooper, and their new neighbor, Penny, an aspiring actress. Season 1 Overview

: An earlier, unaired version featured different female leads, including a character named Katie described as "street-hardened" and a scientist friend named Gilda. This pilot used "She Blinded Me with Science" as its theme song before switching to the now-iconic track by the Barenaked Ladies. Critical Themes big bang theory s01

Are you a fan of The Big Bang Theory? Let us know in the comments what your favorite S01 episode is. For more deep dives, guides, and nerd culture analysis, subscribe to our newsletter. The first season of The Big Bang Theory

: Played by Johnny Galecki, a physicist who is immediately infatuated with Penny. Sheldon Cooper This pilot used "She Blinded Me with Science"

Despite the mixed critical start, the show found a dedicated audience. The Season 1 finale laid the groundwork for the series to become a ratings juggernaut.