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

Apocalypse Now is a Vietnam war movie made in 1979, directed by Francis Ford Coppola. It is based on Conrad’s book The Heart of Darkness.
In 4.22 Restless, Xander brings a …

5.22 Not Fade Away (the title of the Angel finale) is the title of a song by Buddy Holly. It has been covered by many other artists including The Rolling Stones, …

The Angel episode 4.12 Calvary may be a slight play on words, taking advantage of the fact that the term “cavalry” [kav-uhl-ree] is often mistakenly pronounced “calvary” [kal-vuh-ree].
Lilah: “You don’t get …

The Angel episode 3.04 Carpe Noctem could be named after a goth magazine that ran in the 1990s. It was best known for Jhonen Vasquez’s Johnny the Homicidal Maniac comic. Carpe …

In 6.13 Dead Things, Buffy says:

“So that’s why time went all David Lynch?”

Lynch is the director of many films including Eraserhead, The Elephant Man, Dune, Blue Velvet, Lost Highway, …

The title and some plot elements of 2.03 School Hard are taken from the Bruce Willis action movie Die Hard.

the title of the Buffy season three episode 3.08 Lover’s Walk is also the title of an Elvis Costello song.

The episode title 6.14 Older And Far Away is a quotation from J.G. Ballard’s novel Empire of the Sun. It relates the story of a wealthy, young British boy named Jim, …

The title of the episode 7.21 End Of Days is also the title of a 1999 movie starring Arnold Schwarzenegger. Eliza Dushku once played the daughter of a character played by …

The episode 4.16 Who Are You? was clearly influenced by the body-swap movie Face/Off, starring Nic Cage and John Travolta. Producer David Fury wanted to call the two-parter ‘Faith/Off’.

The title of the episode 4.04 Fear, Itself comes from American President Franklin D. Roosevelt’s inaugural address, on March 4th, 1933. He said:

“This great nation will endure as it has …

The title of the season four Angel episode 4.02 Ground State comes from a physics term. Wikipedia says of ground state:

The ground state of a quantum mechanical system is its …

The episode title 1.14 I’ve Got You Under My Skin is taken from the song by Cole Porter, first performed in 1946. It has been covered by numerous jazz artists since. …

The episode 2.18 Killed By Death is named after a line said by Spike Milligan in the Goon Show. It’s also a Motorhead song, from their 1984 album ‘No Remorse’.

The episode title 6.05 Life Serial comes from the breakfast cereal Life Cereal.

The title of the episode 4.13 The I In Team comes from the expression “There’s no I in team” meaning that a team consists of a group who work together rather …

Xander listens to country music (”the music of pain”) in 1.12 Prophecy Girl, after Buffy turns him down. His chosen track is Patsy Cline’s “I Fall to Pieces”. A season one …

The name of the episode 2.16 Bewitched, Bothered And Bewildered may come from the Pogo comic books. The comics came out in the 1950’s and were created by Walt Kelly. Among …

In 7.01 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 title of …