Please note this is a region 2 DVD and will require a region 2 (Europe) or region Free DVD Player in order to play.r r Leonard and Sheldon are brilliant physicists--geniuses in the laboratory but socially challenged everywhere else. Enter their beautiful street-smart neighbor Penny who aims to teach them a thing or two about life. Despite their on-again off-again relationship in the past Leonard believes hes found true love with Penny and they have finally gotten engaged. Even Sheldon has found a female companion entering into a Relationship Agreement with neurobiologist Amy Farrah Fowler. In their free time Leonard and Sheldon continue to enjoy frequent trips to the comic book store and fantasy role-playing games with their ever-expanding universe of friends including fellow scientists Koothrappali Wolowitz and Wolowitzs adorable microbiologist wife Bernadette.