Leonard and Sheldon greet their new neighbor, Alicia (Valerie Azlynn) as she moves into their building right above their apartment. Sheldon drills her with his usual awkward questions like does she like area rugs?
Wolowitz [to Penny in sweats]: Penny, Let me take this opportunity to point out that you are looking particularly ravishing today. Penny: Not with a thousand condoms, Howard. Wolowitz: So there is a number?