 The Big Bang Theory (season 5)

"The Big Bang Theory" Season 5 is the fifth installment of the popular American television sitcom created by Chuck Lorre and Bill Prady. The season originally aired from September 22, 2011, to May 10, 2012, and consists of 24 episodes. In this season, viewers continue to follow the lives of physicists Sheldon Cooper and Leonard Hofstadter, along with their friends Penny, Howard Wolowitz, and Rajesh Koothrappali.