Movies || Entertainment || Reels on Instagram: "🎬 The Big Bang Theory 2007 ‧ Sitcom ‧ 12 seasons The Big Bang Theory centers on roommates Leonard Hofstadter and Sheldon Cooper, brilliant physicists whose high-level intellect is matched only by their social ineptitude. Their insular world of comic books and science at Caltech is disrupted when Penny, an aspiring actress, moves in across the hall. Joined by fellow scientists Howard and Raj, the group navigates the comedic friction between academi