Poster for the T, V series, “The Big Bang Theory.” The main characters' sit on a couch together. Counter-clockwise from bottom left: Kaley Cuoco as Penny, Jim Parsons as Sheldon, Simon Helberg as Howard, Johnny Galecki as Leonard, Mayim Bialik as Amy, Melissa Rauch as Bernadette, and Kunal Nayyar as Raj