In the episode Ted, Cordelia states Buffy should have ’special rules’ when it comes to the subject of murder to which Xander replies, “What? A license to kill?” This is the title of the 1989 James Bond movie starring Timothy Dalton.
In The Prom, Cordelia says that Wesley would look “way-007 …

The movies that Tucker used to train the hell hounds Clockwork-Orange style in The Prom were: Prom Night, Prom Night IV (what happened to II and III?), Pump Up the Volume (which Seth Green and Juliet Landau appeared in), Pretty in Pink, The Club, and Carrie. They were from a …

In The Prom, Xander says, “He left behind his copy of Monsters Wear Daily.” This is a pun on the magazine Men’s Wear Daily.

Buffy says in The Prom, “Now I’m gonna lock you in here, and then I’m gonna party like it’s…” This is a reference to a lyric from the Prince song ‘1999′.

In The Prom, Xander refers to the dog treat “snausages”. Buffy mentions them again in Potential when she says to Andrew, “You’re like a small dog dancing for Snausages.”

In The Prom, the kids of Sunnydale High shout out some of the weird things which have occurred in Sunnydale: “Zombies” (from Dead Man’s Party) and “Hyena People” (from The Pack).

In The Prom, Angel announces his plan to leave Sunnydale to Buffy, which he does at the end of the season in Graduation Day (Part 2). He starts life afresh in L.A.

The video player used to train the hell hounds in The Prom is identical to the one used by Mr. Trick in Homecoming to announce Slayerfest 98.

Xander was disgusted that he didn’t win the ‘Class Clown’ award at The Prom: “Anyone can be a prop class clown!” The award went to Jack Mayhew.

Angel says in The Prom that he doesn’t drink coffee. Not because he can’t - it just makes him jittery. He drinks a hell of a lot of it in the spin-off series Angel though.

Joe Howard, who played the priest in The Prom is the father of actor Jeremy Howard, who played the “Dead Nerd” in the season seven episode Lessons. Joe has also appeared in Anger Management, Grumpy Old Men, The Mighty Ducks, Mathnet, Sabrina, the Teenage Witch, Boston Public, Frasier and Mork …

Mike Kimmel, who played the butcher in The Prom, was a professional wrestler from New York, who competed throughout the 1980s. He was known as “Mighty” Mike Kimmel and he appeared in Louis Theroux’s Weird Weekends wrestling episode, playing “The Masked Marvel”.

Bonita Friedericy, who played the manager of the clothes shop April Fools, Mrs Finkle, appeared in the Buffyverse once more as Patience in the Angel episode ‘Peace Out‘. She has also been in Scrubs, Malcolm in the Middle, 3rd Rock from the Sun and Judging Amy.

Brad Kane, who played Tucker in The Prom, was the singing voice of Aladdin in the Disney movie. He also provided the singing voice for Jonathan’s rendition of ‘Serenade in Blue’ in season four’s Superstar. He is sometimes credited as ‘Caleb Kane’.

In Choices, Cordelia calls M.I.T. (Massachussets Institute of Technology) “a Clearasil ad with housing.” Clearasil is a cleansing product for acne/spots. Nicholas Brendon made his television debut in a Clearasil commercial.