(Penny shows up at Leonard's door)
Leonard: Oh hey, I haven't heard from you in a couple days, are you still mad at me?
Penny: Nope. I have no reason to... (holds up her paper) "B" mad at you. Minus!
Penny: That's right, on my paper, not yours, mine, you punk-ass elf!
Leonard: I don't know what to say.
Penny: How about (mocking Leonard) "gee, Penny, you're smarter than I thought. You may be the one in school but I'm the one who learned a lesson. I'm so stupid, Penny, DUUUHHHHHH!" (walks away)
Sheldon: (laughing) She sounds exactly like you!
Stephen Hawking: (on the phone) Do you like brain-teasers? What do Sheldon Cooper and a black hole have in common? They both suck (pause) Neener, neener. (Leonard points at Sheldon and laughs)
This episode's end titles have Chuck Lorre's Vanity Card #397(c).
Original International Air Dates:
Canada: November 1, 2012 on CTV
United Kingdom: December 20, 2012 on E4/E4 HD
Finland: December 6, 2013 on Sub
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