Penny brings in Chinese for the guys and hangs out in her sweats. Don't worry, for now Wolowitz still thinks she looks ravishing. It's only when the new neighbor shows up does Penny need to step it up.
Penny: Leonard, sweetheart, you twisted your ankle playing Scrabble. Leonard: I got a triple word score with a double letter Q. If that's not a time to bust out the Scrabble dance, what's the point of having one?