In the first scene, Buffy’s hair is different than at the end of Hush, though it is supposed to be a continuation of the end scene in that episode.

When Riley smashes the bottle, a chunk of glass lands on top of the box. In the next shot, the glass has gone.

When Spike opens the fridge, his cup of blood is full almost to the brim. When he starts to drink he tips it so far that if it were that full, it would have spilled onto him before it even got to his mouth.

Buffy holds her message board up to ask how she gets her voice back. When she first holds it up, the marker is in her right hand. The shot cuts away and when we go back, the marker is in a slot on the message board.

In the lecture hall, Anya sits down empty handed. A moment later, she’s holding a bag of microwave popcorn. Whre did it come from?

When the Gentlemen are floating around the UC Sunnydale campus at night, there is a shot of a notice board and the Gentlemen float past from right to left. If you look closely at the bottom of the screen, you can see a bit of the dolly which was used …

As the gang watch TV, Olivia’s drink appears to change from whiskey to water.

When we first see a shot of the clock tower, the time is almost one o’clock. The camera cuts to a shot from inside, looking out at the clock, and the minute hand is pointing at the 40 minute mark. Back outside, it’s one o’clock again.

Willow watched over Xander while he was in the library cage as a hyena in The Pack. This was a practice run as she did the same sort of thing on the nights that Oz turns into a werewolf.

In the episode The Pack, a group of Sunnydale High students (Xander, Kyle, Tor, Rhonda and Heidi) accidentally became possessed by hyenas whilst on a school trip to the zoo. They steadily began to act more like predatory hyenas, culminating with the group, minus Xander, eating Principal Flutie alive. Giles …

Xander discovered he had a better sense of smell after being a hyena in The Pack, when he tried to sniff out a werewolf in Phases.

Buffy seems to have a thing with pigs, as her stuffed toy Mr. Gordo (first seen in What’s My Line? (Part 1)) is a pig, and she manages to capture the school’s mascot - a piglet - in The Pack. Mr. Gordo was stolen by the vampire Sunday in The …

A few people have written to me saying that when Xander walks into the Bronze to meet Buffy and Willow in The Pack, he stares at a girl who looks just like Amy Acker (who played Fred in Angel). On closer inspection, it’s definitely not Amy.

When Buffy and Cordelia collide and spill the contents Buffy’s tray in Never Kill a Boy on the First Date, Owen says, “at least you won’t have to eat your Soylent Green…” This is a reference to the Charlton Heston movie, Soylent Green, in which Soylent Green is actually human …

Comicbook hero Superman has been epitomised in many comics (by DC Comics), movies (starring the late Christopher Reeve), TV shows (eg. Lois and Clarke, Smallville), cartoons (eg. The Adventures of Superman) and even a musical. He and the world he lives in have been referenced many times in Buffy the …