Faith takes a stake from Buffy’s pocket to kill a vampire in Dirty Girls. She did the same thing when the two Slayers first met in Faith, Hope and Trick.

In Dirty Girls, Buffy tells Xander that her signal will be lots of yelling. Willow said the same thing when she dressed as Vampire Willow in Doppelgängland.

There are many flashbacks to previous episodes in Dirty Girls when Andrew describes Faith’s past to the potentials. The episodes include Faith, Hope and Trick, Revelations, The Zeppo, Bad Girls, Consequences, Enemies, Choices and This Year’s Girl.
Andrew’s speech goes as follows: “Faith, her name alone invokes awe. Faith: a set …

Faith smokes cigarettes in the episode Dirty Girls, which is the first time we’re seen her do this in Buffy. It’s possibly something she picked up in prison. Eliza Dushku smoked in real life but has since quit.

Faith arrives back in Sunnydale in the episode Dirty Girls. We last saw Faith in Buffy (literally) in the season four episode Who Are You? but she appeared on six episodes of Angel since then. Faith is annoyed that nobody told her that potential Slayers were being killed, and that …

Christie Abbot who played the ‘helpless girl’ in Dirty Girls, appeared in the movie The New Guy with Eliza Dushku.

Mary Wilcher played the potential Slayer Shannon in Dirty Girls, Empty Places and Chosen. She appeared in Son of the Beach as a character named Buffy and played Marguerite in MTV’s Undressed.

Carrie Southworth, who played Betty in Dirty Girls, appeared in the Firefly episode ‘The Train Job’ as an immigrant woman. She also played a murdered girl in the movie Soul Survivors with Eliza Dushku.

In Lies My Parents Told Me, Giles says he has a personal library which could be used as a school library. It must consist of the books saved in Graduation Day before the school was blown up. He says, “Well, I can have my backup library sent from home in …

In Lies My Parents Told Me, Anya references the time in Selfless when she she had a group of frat boys slaughtered: “I mean, he could slaughter a hundred frat boys…”

Spike twirls a shovel in Lies My Parents Told Me, just as he twirled a pole in Fool For Love when he killed Nikki Wood.

In Lies My Parents Told Me, Drusilla says, “Ooh, such a pretty house you have, sweet William. It smells of daffodils… and viscera.” Dawn told Xander and Buffy in Same Time, Same Place that viscera is guts.

UPN advertised the fact that Buffy the Vampire Slayer was ending, and the final hour was coming, during the episode Lies My Parents Told Me.

Buffy writers realised that Buffy’s inspirational speeches in season seven were becoming annoying for fans. They began to make fun of her pep talks. In Storyteller, Andrew indicated that he felt they were dull, and once Buffy started she’d only stop when she had to go to work. He also …

William reads his poem to his mother in Lies My Parent’s Told Me. It goes:
“Yet his smell, it doth linger,
Painting pictures in my mind.
Her eyes; bowls of honey,
Angel’s hearts shall laugh.
Oh lark, grant a sign,
If crooked be cupid’s shaft.
Hark! The lark!
Her name …