Doyle says in Rm W/A Vu, “What about friendship and family, all those things that are priceless like they say in the credit card commercial?” This is a reference to Mastercard adverts.

The set list for th episode Rm W/A Vu included: “Bad apartment. Very bad apartment. Worse apartment”

When the Kaliff demons arrive at Cordy’s house, one of them shoots at the ghost and damages the tile on the fireplace, but when we see the tile again at 36:10 there is nothing wrong with it.

There are a few references to Cordelia’s time in Sunnydale in Rm W/A Vu. When confonting the ghost, Cordelia says, “I’m not a sniveling whiny little Cry-Buffy. I’m the nastiest girl in Sunnydale history. I take crap from no one.”
When visiting Cordy’s apartment, Doyle notices her burnt …

In The Bachelor Party, Cordelia says that her date owns a Mercedes CLK 320 car.

The title of the Angel episode Sense and Sensitivity is a reference to Jane Austen’s novel Sense and Sensibility, first published in 1811.

In Sense and Sensitiviy, Angel tries to stall Tony from getting on a boat, by dressing in touristy gear - where did he get the clothes from? Does he have a stash of undercover outfits in his car, ready for times like this?

In Sense and Sensitivity, Kate says, “Suddenly I’m Dr. Laura. Next thing you know I’ll be talking about processing and my inner child. I’m sure I’ll be back to my usual level of cynicism in no time.” Laura Schlessinger is the host of the US call-in radio show Dr. Laura. …

The phrase “Nancy Boy” is used three times in Buffy and Angel - In Tabula Rasa, Spike says, “He’s got his crust all stiff and upper with that nancy
boy accent” and in School Hard he says, “A lot faster than nancy-boy there.” In Sense and Sensitivity, Tony says to …

Angel is called a ‘eunuch’ twice in the show - by Bryce in Guise Will Be Guise, and by Cordelia in Carpe Noctem.

Alexis Denisof recently appeared in Alyson Hannigan’s sitcom How I Met Your Mother.

He plays the character Robin’s news co-anchor, Sandy Rivers, in the episode Nothing Happens After 2AM.

In Lonely Hearts, the bartender says, “She was there just a minute ago, getting it on with some Screech”. This is a reference to the geeky character Screech, played by Dustin Diamond, from TV show Saved By The Bell.

In Lonely Hearts, Cordelia says, “Cagney and Lacey Kate? I thought we were hiding from her.” This is a reference to the TV show Cagney & Lacey, about two female detectives.

A stage direction for I Fall To Pieces read: “BACK TO DOYLE - He’s in pain, but not a writhing, drooling kind of pain.”

In I Fall To Pieces Doyle says, “and people who need people are the luckiest”. These are lyrics from the song ‘People’ written by Bob Merrill and Jule Styne, which was sang by Barbra Streisand in Funny Girl.
In The Magic Bullet, Lorne and Connor reference the song again:

Lorne: “You …