EASY MOVIES on Instagram: "The Big Bang Theory 2007 ‧ Sitcom ‧ 12 seasons The Big Bang Theory (2007–2019) is a beloved American sitcom that follows the lives of four brilliant but socially awkward scientists—Leonard Hofstadter, Sheldon Cooper, Howard Wolowitz, and Rajesh Koothrappali—whose world of physics, comic books, and video games gets delightfully disrupted when aspiring actress Penny moves in next door. Leonard, an experimental physicist, harbors a crush on Penny, while Sheldon, a theoret