A social services worker threatens to take guardianship of Dawn. Complicating matters, the three villains accidentally turn Buffy invisible, forcing the gang to rely on Willow's natural brainpower to save the slayer. Plus, in a moment of panic over her relationship with Spike, Buffy chops off her hair.
original airdate--January 8,2002 rating--5.2 million
music--Theme Song: "Buffy Theme" by Nerf Herder
Goof: When invisible Buffy walks along a road talking to herself, the moving shadow of a boom mike is visible for a few seconds.
Trivia: Buffy is whistling "Going Through the Motions" from "Once More, With Feeling" as she is leaving the Social Services building.