If you're still wondering what Penny's last name is on The Big Bang Theory, you're not the only one. Even the cast hasn't been clued in about Kaley Cuoco. watch The Big Bang Theory online free. The Big Bang Theory streaming tv show, Full Episode. tv series online. Plot summary, cast details, production information, user reviews, episode list, and photograph gallery. The Big Bang Theory online sa prevodom. Štreberi online sa prevodom. Here's your Big Bang Theory trivia of the day: Long before Kaley Cuoco joined the CBS sitcom as Leonard and Sheldon's ditzy neighbor Penny, Chuck Lorre shot a pilot. The eighth season of the American sitcom The Big Bang Theory first aired on CBS with a one-hour premiere on Monday, September 22, 2014. It returned to its previous. From The Big Bang Theory Season 1 Blu-Ray. Video may be blocked on mobile devices and in certain countries, due to a claim by WBTV. Sorry guys. The Big Bang Theory is an American comedy television series created and executively produced by Chuck Lorre and Bill Prady. Like the name of the series itself (with. The Big Bang Theory (2007–) is an American television show, airing on CBS, centering on the lives of two physicists and their neighbor, an aspiring actress and.