نظرية الانفجار العظيم - Season 12 Episode 21 الحلقة 21 Smart is the new sexy.
نظرة عامة: Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not. Meanwhile, Howard learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.