“I like Ike” (referenced by Xander in Help) was the slogan for Eisenhower’s presidential campaign in September 1952.

Cassie is seen reading Kurt Vonnegut’s Slaughterhouse Five in Help. This is Vonnegut’s best-known work and could be (very simply) described as an ‘anti-war’ novel. It deals with a young American POW (Billy Pilgrim, loosely based on Vonnegut himself) who survives the appalling WW2 fire-bombing of Dresden by the allies. …

In Help, Willow asks, “Do you really think she’s some kind of pre-cog?”. This could be a reference to the 2002 movie Minority Report starring Tom Cruise and directed by Steven Spielberg. The movie features three “pre-cogs” who help the police force by telepathically predicting murders before they happen.

Olaf and Aud (seen in Selfless) are a legendary Viking couple. Olaf the White was a warrior king (the son of King Ingjald) who married Aud the Deep-Minded (the daughter of Ketil Flat-Nose).

In Conversations with Dead People, Andrew references Clive Barker’s Hellraiser, saying: “Everything’s shifting around. I feel like we’re in Hellraiser. I hate Pinhead.”

Warren calls Jonathan “Short Round” in Conversations with Dead People and Entropy. He was Indiana Jones’ partner, played by Jonathan Ke Quan, in Indiana Jones and the Temple of Doom. In All the Way, Zach says to Janice, “Pumpkins, very dangerous, you go first”. This is a reference to Raiders …

In Conversations with Dead People, Cassie tells Willow she can picture her suicide scene, “candlelight, The Indigo Girls playing, picture of your dead girlfriend on your bloody lap…” The Indigo Girls are folk singers with a large lesbian fanbase.

In Potential, Clem says to Buffy, “something went all flooey with my TiVo.” TiVO is a digital video recorder, which can record up to 140 hours of television on a hard disk. It also enables the user to control live TV - with pause, rewind, slow-motion and instant replay functions.

Andrew mentions Orville Redenbacher pop corn in Potential (”Are we going to replace the microwave? ‘Cause I was thinking some Orville Redenbacher with some fresh butter flavour.”)

In Potential, Andrew says, “But I’m reformed! I’m like Vegeta on Dragonball Z. I used to be a pure Saiyan and now I fight on the side of Goku” and later, “Do you want to play Dragonball Z?” He’s referring to the Japanese anime TV series.

In Potential, Buffy mistakenly calls the Turok-Han “Chaka Khan”, referring to the singer who has had hit songs such as ‘Sweet Thing’, ‘Tell Me Something Good’, ‘Once You Get Started’, ‘Everlasting Love’, and ‘Ain’t Nobody’.

In The Killer in Me, Spike says, “Who you gonna call?” then “God that phrase is never going to be usable again, is it?” This is a reference to the 1984 movie Ghostbusters which featured the catchy theme “Who you gonna call?”. Harris Yulin, who played Quentin Travers, appeared in …

In The Killer in Me, Andrew mentions he’s getting a copy of comic The League of Extraordinary Gentlemen, and Xander reveals his a fan too. The comic is published by America’s Best Comics. It was made into a movie in 2003.

After Kennedy is teleported by Amy in The Killer in Me, she says, “That was a hell of a thing.” This line was said in the film Galaxy Quest after the Tony Shalhoub character was moved through space.

In The Killer in Me, Kennedy says to Willow, “I dig the way you always turn off the Moulin Rouge DVD at chapter 32 so it has a happy ending.” She’s referencing the 2001 “musical” movie Moulin Rouge, starring Nicole Kidman and Ewan McGregor.