Willow: Are you okay?
Oz: Yeah. Hey, did everybody see that guy just turn to dust?
Willow: Uh, well, uh… sort of.
Xander: Yep. Vampires are real. A lot of them live in Sunnydale. Willow will fill you in.
Willow: I know it’s hard to accept at first.
Oz: Actually, it explains a *lot*.
Buffy the Vampire Slayer, Season 3: Episode 13 – “Surprise”