Movie Scene (Explanation/Recapped) on Instagram: "The Big Bang Theory 2007–2019 - Comedy/Family/Sitcom Nerds, neurotic banter, and romantic mishaps—The Big Bang Theory is a hit sitcom centered on roommates Leonard and Sheldon, brilliant but socially awkward physicists at Caltech. Life changes when aspiring actress Penny moves in across the hall, sparking friendships and hilarity for Leonard, Sheldon, and their fellow geeky friends Howard and Raj. Over 12 seasons, the show grows with new cast mem