After jilting his date, an advertising executive finds that he's been hexed. The sistahs get sent back in time and discover that the witches were sexier back then. 2000 Bush and Gore get 30 minutes each to bore the American public. The cast of Grosse Pointe get their asses kicked by another WB show in a charity volleyball game. Doused with a bucket of pig's blood.
All ghosts are scary in their own way.
Winona and Christian do their part for high-school harmony by bumping off the popular kids. Buffy's powers go kaput when she puts on a Halloween costume.