Unraveling the Mystery: A Big Bang Farewell

Johnny Galecki and Kaley Cuoco share backstage secrets and personal memories from the past 12 years. They reveal their favorite moments playing Leonard and Penny, and revisit some of the most memorable stories from The Big Bang Theory Stage. In addition, they tour backstage areas and the iconic sets, including the prop and costume rooms, the comic book store and Leonard and Sheldon's apartment.