AMY: For someone who has a machine that can travel anywhere in time and space, Doctor Who sure does have a thing for modern-day London.
SHELDON: Careful, it’s that kind of sass that can get a person uninvited to this year’s Who Con.
PENNY: Uh, we’re not counting this as a date, are we?
LEONARD: I’m not sure, but I think the right answer here is no.
PENNY: Bug report: When a guy asks me to spend time with him, maybe he plans something a little more interesting than hanging out at home, watching TV.
LEONARD: Even Doctor Who?
PENNY: Even Doctor Who.
SHELDON: All right, that’s it. Who Con— you’re out.
The Big Bang Theory, 5x14 – The Beta Test Initiation