A goof no one noticed till Joss brought it up on the posting board: why is Xander telling Willow his Christmas ritual? She’s known him since he was five. She’d know that already.

Despite the numerous mentions of how hot it is, many characters are still wearing coats and warm clothes.

How did Anyanka get her necklace back? She gives it to Cordelia to make her wish. Giles then takes the pendant off Cordelia’s neck and uses it to identify Anyanka the vengeance demon, whom he summons. Anyanka appears wearing the necklace. How did she get it back?

Why did the vamps construct a wooden cage to hold their prisoners? Wood is hardly vampire-friendly.

If the Master is free, then the Hellmouth should be open as it was Buffy’s presence in previous episodes, such as Welcome to the Hellmouth and Prophecy Girl, which stopped him rising before. Yet Giles and the White Hats are working in the library.

We know Anya’s necklace is her demon power centre. So why would she give it to Cordelia? In future episodes where she makes wishes reality (such as Selfless), she never gives the necklace away.

When Buffy pins Spike down on the table in her house, her hand changes position on his chest several times in different shots.

Spike grabs Willow and threatens her by shaking her. In one shot, her hair covers her face and in the next it’s smoothed back.

Willow starts to close her locker door with her right hand, and in the next shot can be seen closing it with her left.

When Buffy stakes the two vamps in the sewers, she stakes them much too low to hit their hearts but they die anyway.

How did Ethan get inside the wooden box in such a short space of time?

When Joyce and Giles are lecturing Buffy, the jumper around Joyce’s neck goes up and down her shoulder without her touching it.

After Buffy and Faith finish their training session, Faith lays the punching pads on the table. In the next shot, she’s still holding them and just placing them down.

When Cordelia says, “now I’m going to be stuck with serious thoughts all day”, Xander’s bag strap is over his collar. In the next shot, it’s underneath the collar.

During his fight with Pete, Oz changes quickly into werewolf form. What happened to the long, drawn-out throes that Oz went through in the process of turning into a werewolf in Phases? And where did his clothes go to?