Howard Wolowitz: Try telling him it's a non-optional social convention.Penny: What?Howard Wolowitz: Just do it.Penny: It's - it's a non-optional social convention.Sheldon Cooper: Ah, fair enough.Howard Wolowitz: He came with a manual.
Amy Farrah Fowler: Hello, Leonard.Leonard Hofstadter: What are you doing?Amy Farrah Fowler: We're playing doctor... Star Trek style.Sheldon Cooper: I'm in hell, Leonard.Sheldon Cooper: Don't stop.
Sheldon Cooper: I understand you may have a bad impression of me; so, I bought you a gift.Janine Davis: Uh, Doctor Cooper, that's not necessary.Sheldon Cooper: It's too late. Get ready to like me.Janine Davis: Roots?Sheldon Cooper: The tragic history of slavery in America; fun for the whole family.Janine Davis: Why would you think this is an appropriate gift?Sheldon Cooper: Um... Well... You are black, right?Janine Davis: This meeting is come to an end.Sheldon Cooper: Because you want to start watching it right now. Copy that.Sheldon Cooper: Let's see. Up next on the tenure committee is... Professor Wu. Get ready for the complete works of Jackie Chan.
Arthur Jeffries: So you have any single grandmothers?Penny: Sorry, they're both married.Arthur Jeffries: Happily?