Due to Holly's transfer, she and Michael break up.

Halloween costumes worn in this episode:
Stanley - The Creature from the Black Lagoon
Phyllis - Raggedy Ann
Angela - a cat
Andy - a kitten
Kelly - Carrie Bradshaw, from Sex and the City
Oscar - Uncle Sam
Creed - The Joker
Kevin - The Joker
Dwight - The Joker
Jim - Dave
Ryan - Gordon Gekko
Pam - Charlie Chaplin

Meredith: You know I once dated a couple of guys from Cornell. They were really nice. They gave me a ride home.
Andy: I seriously doubt that anyone from Cornell dated you.

Tom: So Pam, how much does an artist make after they leave art school?
Pete: Yeah, not a lot of money in the arts, right?
Jim: That's not really true, there's a lot of things you can do with an art degree, actually.
Tom: Maybe Pam should pay the check by drawing a picture on this napkin.

Michael: Holly thinks that this relationship is over. Well, you know what? I am not gonna give up that easy. I'm gonna make this way harder than it needs to be.

(Andy is interviewing Dwight for entrance into Cornell)
Andy: Applicant is attempting to blackmail interviewer, showing low moral character.
Dwight: Interviewer is threatening applicant with an arbitrary review process.
Andy: Applicant is wasting everyone's time with stupid and inane accusations.
Dwight: Interviewer has suspect motives.
Andy: Applicant has a head shaped like a trapezoid.

Kelly: Oh, I'm Carrie Bradshaw from Sex And The City.

Kelly is dressed as Sarah Jessica Parker's character from the HBO hit show, Sex and the City.

Kelly: (to Ryan) Who are you, Larry King?
Ryan: Gordon Gekko.

Kelly thinks Ryan is dressed as talk show host, Larry King, but he's actually dressed as the character Gordon Gekko from the 1987 film, Wall Street.

Visual: Creed and Kevin both dressed as The Joker

Creed and Kevin both dressed as The Joker as played by Heath Ledger, from the 2008 film, The Dark Knight.

Visual: Pam's costume

Pam is dressed as actor Charlie Chaplin.

Michael: Oh, copy that, breaker! Those Duke boys are at it again.

Michael is making a reference to the television show, The Dukes of Hazzard, which aired from 1979 - 1985.

Andy: (to Dwight) So, Dane Cook, Jack Bauer, and Eli Whitney. You're doing great.

Dwight tells Andy his heroes are: comedian Dane Cook, fictional character Jack Bauer from the hit FOX show 24, and Eli Whitney, the American inventor who created the cotton gin.