Jerry slept on the couch in the living room. In episode #6, Carol slept on the sofa-bed in the den.
Emily said that the guest bathroom is only a 1/2 bath. In episode #12, everone goes into the guest bathroom when Howard and Carol have a fight, and the bathroom has a bathtub.
Carol: Jerry, why do you have so many pictures of this girl?
Jerry: At first I thought it was really great she was having all these pictures taken of herself. You know the guy she dumped me for?
Jerry: The photographer.
Jerry: Have you ever been thrown over for a 22 year old guy?
Carol: As a Matter of fact, yes.
"Hi, Bob"-ometer: One, from Carol. 48 for the series.