In Living Conditions, Parker mentions the Red Wings, who are Detroit’s NHL hockey team.

The conversation in Living Conditions about Parker’s interest in Buffy, (Xander says “Hasta” and “Buffinator” and Oz says “He’ll be back”) is a reference to The Terminator movies, starring Arnold Schwarzenegger and directed by Jame Cameron.
In This Year’s Girl, Buffy called Adam “the Terminator without the bashful charm” and in …

Buffy says in Living Conditions, “Listening to the Best of VH1 all day sort of put me on edge.” She’s referring to the cable music channel.

In Living Conditions, Willow describes Buffy as being “bordering on Cordelia-esque”, the first mention of Cordy since she left Sunnydale.

In Living Conditions, Buffy jokes about the last time Giles tried to recapture his youth, referring to the events of the episode Band Candy: “‘Cause I’m still going ‘ick’ from the last time you tried to recapture your youth.”

In Living Conditions, Buffy wears her jeans with the little patches again, last seen in The Freshman.

In Living Conditions, Willow hangs a Dingoes Ate My Baby poster on her wall, a reference to her boyfriend Oz’s band.

Willow dials the numbers 11783 when she calls Giles in Living Conditions.

Buffy discovers in Living Conditions that Giles gets Motorcycle and Scooter Magazine, probably an offshoot from his Ripper days.

Clayton Barber, who played a demon in Living Conditions, has been Angel’s stunt double in the past. He was another vampire’s stunt double in the 1998 movie Blade. He also did stunts for the movies 8 Mile, The Time Machine, Zoolander, American Pie 2, How the Grinch Stole Christmas, Charlie’s …

Buffy writer Marti Noxon attended UC Santa Cruz. Three colleges from Santa Cruz are named in season four of Buffy: Stevenson, Kresge and Porter. In Living Conditions, Buffy tells Parker her dorm is in Stevenson Hall (number 214). There’s a party at Porter in Doomed and in The I in …

Joss Whedon spoke about Living Conditions at the Posting Board, saying it was a “totally accurate portrayal of roomies - I almost hired a man to kill him when he straightened his rug one time. And he hated me even more.”

We see in The Freshman that Sunday’s vampires have a collection of Monet and Klimt posters stolen from their student victims. There are 18 Monet Water Lillies posters, and 12 Klimt The Kiss posters.

Olivia calls Giles “Ripper” in The Freshman, which suggests she has known him since college. This was his nickname when he was a badass demon-raiser. We first learnt of this in The Dark Age.

In The Freshman, Giles tells Buffy she has no official Watcher, as she quit the Council in Graduation Day (Part 2).