In After Life, Spike empathises with Buffy as he says he knows how it feels to dig your way out of your own grave. Many people have felt that his comment was made defunct in the episode Lies My Parents Told Me. In that episode, Spike was sired by Drusilla …

In Joss Whedon’s DVD commentary for the season seven DVD, he says that the potential Slayer seen at the beginning of Lessons was actually a member of the stunt team. Many fans thought that the character could be a new Slayer, activated when Buffy died in season five.

Hell’s Bells, the title of a season six episode, is an AC/DC song from their album ‘Back in Black’.

In Seeing Red, Xander calls Warren “Mighty Mouse”, referencing the super-hero cartoon character who has been around since 1942.

In Seeing Red, Clem comes over to Spike’s lair to watch a Knight Rider marathon. Knight Rider was a popular 1980’s TV show starring a coiffed David Hasselhof and his talking car.

In Seeing Red, Buffy discovers several toys in the nerds ‘lair’, including a figure of Vampirella. She was a comic book superhero created in the late 60’s who killed vampires. Dean Grimes, who played one of Frank’s friends in Seeing Red, did stunts for the straight to video movie Vampirella.

When Willow’s whirlwind moves towards the police station in Two To Go, we see a cup of coffee in a police car which ripples in time to her approach. This is an obvious homage to Jurassic Park, where a cup of water moves to the footsteps of an approaching T-Rex.

In Lessons, Willow tells Giles, “But there’s this look that they get. Like I’m going to turn them all into bangers and mash or something. Which I’m not even really sure what that is.” In Checkpoint, Xander says of Giles, “Because if they deport him, they’re not just destroying his …

In Older and Far Away, Xander says, “the only thing missing is a cornfield”. This could be a reference to an episode of Twilight Zone called ‘It’s A Good Life’ which starred Billy Mumy as a little boy called Anthony, who wished people into a cornfield when they made him …

In Lessons, Halfrek says of the singing couple, “Oh look at them with the shiny happiness”. ‘Shiny Happy People‘ was an R.E.M song from their album ‘Out of Time’.

The sluggoth demon in Beneath You looks as though it was inspired by the worm demon in the movie Tremors, which stars Kevin Bacon.

The punk girl scenes at the beginning of the episode Beneath You could be an homage to the film Run Lola Run.

The name Cassie (in Help) could be short for Cassandra, who was a figure in Greek myth. She was given the gift of prophecy by Apollo, who wished to seduce her. She accepted his gift but refused his sexual advances, so he cursed her so that no one would believe …

In Help, Buffy says, “Blue Clam Cult”, but she means Blue Oyster Cult, who were a rock band with hit songs such as “Don’t Fear the Reaper.”

“Milk, it does a body good”, referenced by Xander in Help, was the slogan of America’s National Dairy Board in the 1980s.