Giles:  Well, alright, l-let’s, let’s, let’s review. Um, so everybody became, uh, whatever they were masquerading as.

Willow:  Right. Xander was a soldier and Buffy was an 18th-century girl.

Giles:  A-and, uh, your, your costume?

Willow:  I’m a ghost!

Giles:  Yes. Um… w, uh, uh, uh, the ghost of what, exactly?

Buffy the Vampire Slayer, Season 2: Episode 6 – “Halloween”