Check out SFist Halloween Events post for lots more ideas!

PARTY: Triple Cobra, who were described by Spin as "Of Montreal meets Hedwig in Scissor Sisters' orgy room," take the stage at the Triple Cobra Halloween Party. DJs Omar (popscene), Lumpen The Laptop Hero (Wave Not Wave), and Phoenix (Wave Not Wave) will spin all night long. Win the $250 cash prize for best costume!

9 p.m. // Rickshaw Stop (155 Fell St) // $10

MUSIC: It's a night of cleverly named post pop, psychedelic indie rock bands at the Hemlock, featuring The Crazies Will Destroy You, The Parties, and The Lotus Moons.

9 p.m. // Hemlock Tavern (1131 Polk St) // $7

WORKSHOP: At Dharma of the Living Dead: A Buddhist Guide to Surviving the Apocalypse, Bodhipaksa, author of Living Like A River, will offer meditation teachings designed to empower you to save yourself from becoming unmindful, much like zombies. Costumes are encouraged.

6:30 to 8 p.m. // San Francisco Buddhist Center (37 Bartlett St) // free