Тэорыя вялікага выбуху - Season 12 Episode 23 Smart is the new sexy.
Агляд: Sheldon and Amy await big news. Meanwhile, Penny and Leonard have some big news of their own. Also, Howard and Bernadette face the stressful challenge of leaving their kids for the first time and Raj makes a new friend, as the gang travels together into an uncharted future.