DRAG: Trannyshack and Midnight Mass host Halloween: A Party, starring Heklina as "Dracula" and Peaches Christ as "Tran Hesling," with a special performance by guest star Jackie Beat and a whole line-up of other performers, including a midnight drag show by the darkest divas of Trannyshack. There will also be a costume contest judged by a celebrity panel.
9 p.m. // The Cat Club (1190 Folsom St) // $15 (w/costume) $25 (without costume)
THEATER: The Lesbian/Gay Chorus of San Francisco celebrates its 30th season with the world premiere of Halloween in the Castro, a by Jack Curtis Dubowsky. The play is a biting, in-your-face social commentary that merges local politics with murder and mayhem.
8 p.m. // Metropolitan Community Church of San Francisco (150 Eureka St) // $20-40, sliding scale
MUSIC: It's an indie/pop Halloween Dance Party with Loquat and Love Like Fire. Plus, a DJ showdown between Fallout and Life/Style, a costume contest, and drink specials involving dry ice and jello. Get your tickets now, as it will probably sell out soon.