During the seven years of Buffy, all four core Scoobies have the person they love die at some point:

Xander - Anya dies fighting against The First’s army (Chosen)
Willow - Tara is shot and instantly killed by Warren (Seeing Red)
Giles - Jenny gets her neck snapped by Angelus (Passion)
Buffy - Angel …

In Graduation Day (Part 1), Buffy says to Wesley, “Get a job!” This might be a reference to the film Heathers in which Veronica Sawyer (played by Winona Ryder) says the same thing to her guidance counselor. Sarah Michelle Gellar has said this is one of her favorite movies.

In the Wild at Heart commentary by Joss Whedon, Marti Noxon and Seth Green, Seth mentions that the stage direction for the scene when he is in his cage in the cemetery, waiting for the sun to go down and Veruca walks in was, “I want you to act like …

In the episode Conversations with Dead People, Dawn eats a pizza, whilst singing, “Anchovies, anchovies, you’re so delicious. I love you more than all the other fishes.” During her DVD commentary, writer Jane Espenson says she included this song because some “unmentioned pizza chain” has stopped offering anchovies on their …

Buffy shows some ingenious ways of killing demons, and the gang have some great suggestions too. Here’s a list of alternative ways of killing, seen or mentioned on the show:

Hummus and Ebola: In Graduation Day (Part 2), Oz suggests, “We attack the Mayor with hummus.” Cordelia later suggests, “No, we’ll …

In the Sum 41 song ‘What We’re All About’, there is a line saying, “We beat down London, we slayed L.A.” The part about ’slaying L.A.’ is possibly a reference to Buffy or Angel.

This line of Buffy’s, referring to her choice of work friend, was deleted from Older and Far Away:

Buffy: “All the good ones got picked off by that lady with the wig. Lay off.”

In the Angel season four episode ‘Orpheus‘, Willow visits LA after getting a call from Fred so that she can re-ensoul Angel. She visits Cordelia and they have the following conversation:

Willow: “How have you been?”
Cordelia: ” Higher power. You?”
Willow: “Ultimate evil. But I got better.”
Cordelia: “You heard …

In The Harsh Light of Day, Giles jogs a lot. When Buffy calls him about Spike and Harmony from the pay phone outside the frat house, he is wearing a jogging suit and is using a towel to wipe his face. Later, if you look closely, when Giles leaves Buffy …