The cut-off point in syndication for this episode was just after Grace says yes to getting married.
This is the first time we see Will's obsession with Kevin Bacon.
We learn that Grace and Will went to Columbia.
Will: Why is this such a big deal?
Grace: Because I thought that I was the one that helped you come out.
Will: You were!
Grace: I thought that I was the one that changed your life.
Will: You did!
Grace: I thought it was my naked body that did nothing for you!
Will: It didn't! It still doesn't!
Grace: Don't try to make me feel better.
In the flashback, Will comes out his freshmen year of college during Thanksgiving break. According to episode 6(William Tell), Grace claims that Will came out to her at senior year of college during Christmas break. This would make a three year difference in age.
Karen: But you know, for a sultan, dude knew how to party. Later we did Jell-O shots with one of the guys from Hall and Oates.
The band Karen refers to is of course Hall & Oats, and the song playing int he background of all of Karen's flashbacks is "Some Like It Hot" by Power Station.
Jack: You're gayer than the day is long. You're Marvin Gaye. And let me tell you somethin'-- Ain't no closet big enough.
Quick references to Marvin Gaye and his song "Aint No Mountain High Enough."
Will: You were the one going around telling everybody you were in Duran Duran.
A quick reference to the 80's rock group Duran Duran.
A quick reference to the Genesis song "Sussdio."
Pam: We both know all the songs from "The Wiz"
A funny reference to the musical The Wiz.
Will: (To Jack) Janet and Chrissy are waiting for you at the Regal Beagle.
Will refers to John Ritter's gay character Jack Tripper in the Three's Company TV show.
Grace: ...where Will learned the answer to that age-old question, "What ever did happen to Baby Jane?"
A quick reference to the flim What Ever Hapened To Baby Jane. And in the shot that follows that line, we see Grace's mother singing Laura Branigan's song "Gloria."
Grace: He reminds me of those old Hollywood movie stars, like Rock Hudson or Montgomery Clift.
Both Rock Hudson and Montgomery Clift were found out to be gay later in their careers.