This becomes a goof later in series when "Mad About You" and "Seinfeld" have crossover episodes: Estelle Harris plays Barry's mother in this episode but she plays Mrs. Costanza (George's mother) on "Seinfeld".
Paul: 'Be prepared'. That's my motto. Do you have a motto?
Jamie: Never marry anyone more neurotic than yourself.
Paul: You're unbelievable, you know that? You make big decisions at work. You deal with million-dollar corporations and you're stymied by this couch!
Jamie: Because we're going to have it for a long time!
Paul: Hey, you'll have me for a long time and that decision took you thirty seconds.
Jamie: Boy, did I learn my lesson...
Paul: You know Mark, this is time you never get back. I mean there are only X number of Saturdays left and I'm spending this one, sitting on a love-seat holding a pocketbook.
Mark: (pointing at the purse) Got an emery board in there?
Paul: I'd like to punch you in the head.
Mark: I've got this piece of nail...
Paul: Bite it off! Be a man!
Jamie: This will look good on you.
Fran: Yah, it'll fit great if I can take my ass off.
Paul: Come here sweatheart, let me explain something. And you should really jot this down because this is very important -- everything in the world takes four hours.
In other countries this episode is fourth to air, not second.
Tommy Hinkley (Jay Selby) and Anne Ramsay (Lisa Stemple) do not appear in this episode, although they are credited in the opening credits.
Mark's second name is revealed in this episode. It's "David". Fran mentions it.
Episode Title: "Sofa's Choice"
The episode title is a play on the movie 'Sophie's Choice'.