The Big Bang Theory is a popular American sitcom that aired from 2007 to 2019. It follows a group of socially awkward scientists, including Sheldon Cooper and Leonard Hofstadter, as they navigate life, relationships, and their love for science and comic books. The show combines humor with elements of geek culture, showcasing the friendships and romantic entanglements of its characters. With its clever writing and memorable catchphrases, it became a cultural phenomenon, earning numerous awards and a dedicated fanbase throughout its 12-season run.