Kaley Cuoco on the end of 'The Big Bang Theory': 'I am already, like, losing it'
Howard Wolowitz (Simon Helberg), left, Bernadette (Melissa Rauch), Amy Farrah Fowler (Mayim Bialik), Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki) and Penny (Kaley Cuoco) gather for a meal on the familiar living room set of CBS's ...
