Leonard: Hello?
Theodore: Hey, how you doing?
Leonard: Uh, can I help you?
Theodore: I don't think so, but you're sweet for asking.
Penny: What-What are you doing in our apartment?
Theodore: Oh, I rented a room from your neighbor, the tall guy dressed like a little boy.

Sheldon: If it's like your 3-D chess game, then you're out of your length, width and depth. Amy, get the Neosporin, somebody just got burned.

Leonard: Sheldon, I know what you did, now change the password back.
Sheldon: Well, powder me in sugar and call me a donut, if it isn't Leonard Hofstadter.

Sheldon: It's not my fault I'm bad at sharing; I skipped kindergarten.