After more than a decade on TV, The Big Bang Theory is still one of the most popular comedies in the world. Week after week, people tune in to see the nerdy and QUIRKY antics of Sheldon, Leonard, Raj and Howard, coupled up with the funny reactions of Penny, Bernadette and Amy. But is the show actually smart, or is it just pretending to be? What are we actually supposed to be laughing at? What’s up with that insane laugh track? (thetvdb.com)