22nd Annual Womyn's Spiral Dance: Dance your hippie ass off at this tribute to the Crones, the Goddess, and the grandmothers. (Say what?) In addition to the estrogen-fest, partake in live drumming, crafting, and more. The womyn dressed in the sexiest outfit drinks for free all night. (Just kidding). Fri., Oct. 28, 6:30 p.m., $23-$27, www.daughtersofthegoddess.com. Orinda Masonic Temple, 9 Altarinda Road (at Santa Maria Way), Orinda.
Alternative Tentacles Bat-Fest 2005: Punk rock ledgends Jello Biafra & the Melvins thrash about for your Halloween merriment. Munly & the Lee Lewis Harlots and Turn Me On Dead Man open. Mon., Oct. 31, 8 p.m., $!6. Great American Music Hall, 859 O'Farrell (at Polk), 885-0750, www.musichallsf.com.
BATS: Sunday Players Halloween Show: BATS Improv School grads performing at their spookiest. Sun., Oct. 30, 8 p.m., $8, www.improv.org. Bayfront Theater, Fort Mason, Bldg. B (Marina & Buchanan), 474-8935.
Bionic's Hallow's Eve: Even though the place is awash in pink, you're still bound to have a spook-tacular (heh) good time at this French house and electro filled fete. The neighborhood is dicey, but it's still one of the better (and more expensive) places to go get smashed in the inner Mission. You should also dress to impress. Sun., Oct. 30, 9 p.m., $7. Pink, 2925 16th St. (at South Van Ness), 431-8889, www.pinksf.com.
Boo at the Zoo: Dress up the wee ones in their cutest little outfits, and then haul them over to the San Francisco Zoo for a safe trick-or-treat route, surprises, and see amazing creatures both large and small! Sat., Oct. 29, noon, $4.50-$7.50. San Francisco Zoo, 1 Zoo (at Skyline), 753-7080, www.sfzoo.org.
Boo at the Zoo Too: East Bay version of the aforementioned Boo at the Zoo. Sat., Oct. 29, 12-4 p.m.; Sun., Oct. 30, 12-4 p.m., $4.50-$7.50. Oakland Zoo, 9777 Golf Links Road (at Hwy. 580), Oakland, 510-632-9525, www.oaklandzoo.org.
Boy George: Fresh off of a cocaine bust, Boy George now gets you high on the dance floor when he spins at this popular nightclub. Also, he will judge the costume contest, so look your best or he might turn to the flake again. Sat., Oct. 29, 10 p.m., $25. Ten 15 Folsom, 1015 Folsom (at Seventh St.), 431-1200, www.1015.com.
Brazilian Halloween Costume Party: The Elbo Room eschews the live DJ format that most Halloween parties are doing, and instead brings you Brazilian beats with Bat Makumba and DJ Felina. A great alternative to the numerous DJ-based events going on. Fri., Oct. 28, 9 p.m., $8-$0. Elbo Room, 647 Valencia (at 18th St.), 552-7788, www.elbo.com.
Bumpkin Pumpkin: This two-day dance party that goes deep into the night is perfect for those looking to groove in a nice downtown venue, minus the pretentiousness. DJs Kyau, Albert, Pulser, Robert Nickson, Seep Voices, Mars, Weired psyants, Angel, Rohan, & more hit the decks. Fri., Oct. 28, 9 p.m.-4 a.m., $30-$60. Terra, 511 Harrison (at First St.), 864-8833, www.terrasf.com.
The Castro's Halloween Party: For years the Castro has been the epicenter of Halloween. All things out-of-this-world, strange, and spectacular happen here on Halloween night. Although over the past few years the climate has changed to that of slack-jawed gawkers and a surprisingly homophobic taint, it still remains a must-see event for new arrivals to the city. Mon., Oct. 31, 7 p.m., free, www.halloweeninthecastro.com. Castro, (at Market).
Club ID's Midnight Cabaret Halloween Ball: The Holy Kiss & Madelia perform at this bi-monthly club night's Halloween party where the avant-garde and tres chic 18-and-over set gather. LA's The Pindown Dolls will perform their signature style of burlesque, while DJ Fletcher helps you bop your head to '80s rock, Britpop, and electro beats. Costumes and a hipper-than-thou attitude are a must. Fri., Oct. 28, 10 p.m., $7-$8. Rickshaw Stop, 155 Fell (at Van Ness), 861-2011, www.rickshawstop.com.
The Connecticut Yankee's Annual Halloween Party: The Connecticut Yankee shakes up its usual offering of Americana and jam rock by showcasing live DJs pumping out rock, soul, jazz, and reggae for this dance party. And the best part of it all? It's free. Sat., Oct. 29, 10 p.m., free. The Connecticut Yankee, 100 Connecticut (at 17th St.), 552-4440, www.theyankee.com.
Creep: Have a spookily awesome Halloween at the not-so-spooky and sterile Metreon megaplex. Jillian's hosts a dance party near downtown. Expect a costume contest and DJ Fuze spinning club hits, hip hop, and R&B beats. Sat., Oct. 29, 9 p.m.-2 a.m., $5 in costume. Jillian's, 101 Fourth St. (at Mission), 369-6100, www.jillians.com.
Dark & Misunderstood: Not nearly as depressing as the name might suggest, this festive fete features live painters, "cat juggling" (oh dear, we hope not), costume contests, dancers, and more. DJs Mike Nice, Omar, Lady Lovely & the Bastard Prince, and Kozmo spin rare grooves, break beats, trip-hop, electro, and new wave all night long. Sat., Oct. 29, 9 p.m., $5. Madrone Lounge, 500 Divisadero (at Fell), 241-0202, www.madronelounge.com.
Dark Sparkle's Halloween Party: Spend Halloween in a gorgeous former speak-easy transformed into a haunted house, while you dance to dark Gothic beats. Michael Sparkle and MM host a night of debauchery, costume contests, treats, and more -- a perfect place to escape the Castro melee happening just outside. Mon., Oct. 31, 9 p.m., $15-$20. Café Du Nord, 2170 Market (at Sanchez), 861-5016, www.cafedunord.com.