Penny: You came into my apartment last night when I was sleeping?
Leonard: Yes, but, only to clean.
Sheldon: Really more to organise, you’re not actually dirty, per se.
Penny: Give me back my key.
Leonard: I’m very, very sorry.
Penny: Do you understand how creepy this is.
Leonard: Oh, yes, we discussed it at length last night.
Penny: In my apartment, while I was sleeping.
Sheldon: And snoring. And that’s probably just a sinus infection, but it could be sleep apnoea, you might want to see an otolaryngologist. It’s a throat doctor.
Penny: And what kind of doctor removes shoes from asses?
Sheldon: Depending on the depth, that’s either a proctologist or a general surgeon. (Leonard holds up a sign reading “Sarcasm”) Oh!