Sheldon Cooper: Penny?Sheldon Cooper: Penny?Penny: Penny?Sheldon Cooper: That's just wrong.
Sheldon Cooper: Yes?Leonard: I'm Leonard Hofstadter. I called you about the apartment and you said to come by...Sheldon Cooper: I know what I said. I know what you said. I know what my mother said on March 5, 1992. What is the sixth noble gas?Leonard: What?Sheldon Cooper: You said you were a scientist. What is the sixth noble gas?Leonard: Radon?Sheldon Cooper: Are you asking me or telling me?Leonard: Telling you?Leonard: Telling you.Sheldon Cooper: All right. Next question. Kirk or Picard?Leonard: That's tricky... Original Series over Next Generation, but Picard over Kirk.Sheldon Cooper: Correct. You have passed the first barrier to roommatehood. You may enter.
Oh no! They sent the wrong Spock! Live long and suck it, Zachary Quinto!
Leonard Hofstadter: Sheldon! How could you just sit there and let them spy on me?Sheldon Cooper: They were clever, Leonard: they exploited my complete lack of interest in what you were doing.