The Big Bang Theory (2007)

Two geeky physicists' lives change when a new neighbour shakes up their routine

In Pasadena, roommates Leonard and Sheldon are brilliant physicists whose lives revolve around lab work, comic books and video games. But everything changes when Penny, an aspiring actress from Nebraska, moves in across the hall. Her no-nonsense attitude and social savvy turn their carefully ordered world upside down. As friendships blossom and more eccentric friends like Howard and Raj join the mix, the group moves through awkward crushes, pop culture debates and scientific rivalries one nerdy misadventure at a time.