In Surprise, Uncle Enyos says to Jenny, “The time for watching has past!” It can be seen as a parallel for Jenny and Giles because Giles is a watcher.

Filming the scene in Innocence where Buffy is crying in her room, heartbroken for the loss of Angel, was deeply affecting for Sarah Michelle Gellar. So much so that the set was closed down for 25 minutes while Sarah recovered from the difficult emotional place she visited when performing …

In the Buffy episode Who Are You? Faith (in Buffy’s body) daydreams that she stabs Willow. A similar scene occurs in the Angel episode ‘Sanctuary‘. When Angel takes Faith back to his apartment she daydreams that she attacks Angel with a knife.

In Doomed when Buffy and the gang are fighting the demons at the High School, in the scene where Xander is against the wall fighting the demon (35:40), if you look behind him at Spike, you can see he is in vamp face but when we next see him he …

In Go Fish when Cameron and Buffy are in the nurse’s office with Snyder, Cameron tells Snyder that Buffy led him on because of the way she dresses. Coach Marin then enters and after seeing to Cameron, more or less says the same thing by telling Buffy to “dress more …

In Go Fish, when Buffy is in the library telling the gang about what heppened with Cameron her hands change position depending on the camera shot. When we see the back view, Buffy’s hands are by her side and when we see the front view, her hands are on her …

In I Only Have Eyes For You, Giles says that the ghost is Jenny as she died there under tragic circumstances, but Giles found Jenny at his house, so how did he know that she was killed at the school and not at his home? The broken computer might have …

In Killed By Death, when Buffy snaps Der Kindestod’s neck his hat fall of his hat and onto the pipe behind him (38:53 approx) but in the next shot the hat seems to have disappeared.

In Conversations with Dead People, the First wreaks havoc on the Summers house. In amongst the chaos and terror, suddenly we glimpse all the kitchen chairs have been stacked on the kitchen table. This is a visual reference to the classic horror film Poltergeist, in which a young girl is …

In Bewitched, Bothered and Bewildered, when Giles is doing the spell with Amy to cancel Xander’s love spell, 38:34, we can clearly see a string attached to Giles’ cravat, in the right side of the screen near a balcony.

In a Halloween episode of British TV soap Eastenders, Lynne Slater dressed up as Buffy for a party at Angie’s Den.

In the episode Never Kill A Boy On the First Date, we hear the music “Rotten Apple” by Three Day Wheely (from the album ‘Rubber Halo’) as Cordelia and Owen dance.

A trans-Neptunian object was named after Buffy? From Wikipedia:

2004 XR190 (also written 2004 XR190) is a newly discovered trans-Neptunian object located in the scattered disc. Astronomers led by Lynne Allen of the University of British Columbia made the discovery as part of the Legacy Survey using the Canada-France-Hawaii Telescope. The …

In the Angel episode Fredless, Cordelia and Wesley do an amusing re-enactment of Buffy and Angel’s relationship for Fred. It goes as follows:

Cordy: “Let me break it down for you, Fred.”
Cordy now pretends to be Buffy while Wesley is Angel.
Cordy: “Oh Angel! I know that I’m a Slayer and …

Throughout her fight with the Turok-Han, Buffy is wearing black trainers, but when she walks away from the ‘Thunderdrome’ (at 38.55) she’s wearing black, heeled boots.