3RD ANNUAL FAIRYGODMOTHER BOO BALL: Buffet, open bar, silent and live auctions, dancing, and costume prizes; 6:30-10:30 p.m. Oct. 25; $85-$100. Benefits Fairygodmother Foundation; Newberry Library, 60 W. Walton St. 773-388-1160.
6TH ANNUAL HALLOWEEN BASH: Local bands dress and perform as other bands. Local H plays as ZZ Top, Figdish as INXS, Gaza Strippers as Blue Oyster Cult, Giant Step as Van Halen, Bicycle Tricycle as Meatloaf, Monster Trux as Suicidal Tendencies, The Last Vegas as Foghat; 8 p.m.-2 a.m. Oct. 30; $10; Double Door, 1572 N. Milwaukee Ave. 773-489-3160, 312-559-1212, 773-489-3160.
ANNUAL HALLOWEEN BASH: Cover band Finneus and a costume contest with prizes; 9:30 p.m. Oct. 26; Dugan’s Drinking Emporium, 128 S. Halsted St. 312-421-7191.
BLISS CHICAGO HALLOWEEN PARTY: Includes a premium open bar and DJ McGov spins progressive house; 9:30 p.m.-5 a.m. Oct. 26; $30; BLU, 2247 N. Lincoln Ave. 773-549-5884.
BOOGIE MAN RETRO HALLOWEEN BALL: Featuring live bands, four deejays, circus acts and a cash-prize costume contest; 9:30 p.m.-4 a.m. Oct. 31; $20; Zafire, 1529 W. Armitage Ave. 773-883-9596, 773-394-9106.
BUNGALOW BONFIRE: Costume party with prizes; 8 p.m.-2 a.m. Oct. 31; free; Bungalow Bar and Lounge, 1622 W. Belmont Ave. 773-244-0400.
DARK FANTASY: Halloween celebration featuring music, deejays, dance, body painting, video projections, painting, installations, photography and poetry; 9 p.m. Oct. 31; $15; HotHouse, 31 E. Balbo Drive. 312-362-9707.
DOUBLE MURDER!: The Bad Boys of Late Night spin in the cabaret; resident DJ Tiesto spins at Vision. Features a performance by mannequin-like Animatronic Terrors and two cash-prize costume contests; 9 p.m.-5 a.m. Oct. 26; $10-$20; Excalibur, 632 N. Dearborn St. 312-266-1944.
DRINK OR TREAT: Includes a full bar, deejay, hors d’oeuvres, candy and admission to an after-hours party at Bacchus; 8 p.m.-midnight Oct. 31; $60-$65. Proceeds benefit the Junior Board of the Harold E. Eisenberg Foundation; Dewes Mansion, 503 W. Wrightwood Ave. 312-969-6910.
DUKE O’BRIEN’S HALLOWEEN PARTY: Costume contest and prizes; music by David Sarkis; 9 p.m.-1 a.m. Oct. 31; Duke O’Brien’s, 110 N. Main St., Crystal Lake. 815-356-9980.
DURTY NELLIES HALLOWEEN PARTY: Costume contest and prizes; music by Core and Sofa King; 9:30 p.m. Oct. 30; $5; Durty Nellies, 55 N. Bothwell St., Palatine. 847-358-9150.
GLAM OR GHOUL II: 5:30 p.m.-1 a.m. Oct. 29-31; No cover; Kit Kat Lounge and Supper Club, 3700 N. Halsted St. Through Oct. 31. 773-525-1111.
H3 EVENTS ANNUAL HALLOWEEN PARTY: Includes drinks and costume contest with cash prizes; 8-11 p.m. Oct. 31; $15; Alumni Club, 2251 N. Lincoln Ave. 773-348-5100.
HAIRBANGER’S BALL: 10 p.m. Oct. 31; $8; Joe’s, 940 W. Weed St. 312-337-3486.
HALLOWEEN BASH: Haunted house, ugliest pumpkin carving contest, all-you-can-drink beer and Ireland trip raffle; 8 p.m. Oct. 26; $30-$40; Chief O’Neill’s Pub, 3471 N. Elston Ave. 773-473-5263.
HALLOWEEN BOOGIE BALL: A week of festivities culminates on Halloween with a huge bash that includes drink specials and a costume contest; 5 p.m.-1 a.m. Oct. 31; $5; Boogie Nights, 1251 E. Golf Rd., Schaumburg. 847-619-3434.
HALLOWEEN PARTY: Wash down monster munchies with beer, wine and soft drinks, and take part in a costume contest; 8-11 p.m. Oct. 31; $30. Proceeds benefit Zeta Tau Alpha Foundation; Parkway Tavern, 748 1/2 W. Fullerton Ave. 773-327-8164.
HALLOWEEN SPUNDAE: Halloween Massive, DJ Tiesto, Andy Hughes, Dan Efex, DJ Laura B and Tony 2 Much; 10 p.m.-5 a.m. Oct. 26; $20; Vision, 640 N. Dearborn St. 312-266-2114.
HALLOWEEN TRILOGY: Bacchus’s regular Thursday-night Trilogy takes on a Halloween twist with themed drink specials, prizes and more; 6 p.m.-2 a.m. Oct. 31; $3; Bacchus, 2242 N. Lincoln Ave. 773-477-5283.
HAUNTED CASTLE: Billed as Chicago’s biggest costume contest. First prize wins an exotic vacation. Cash prizes for second and third place; 9 p.m.-4 a.m. Oct. 25; $10-$20; Excalibur, 632 N. Dearborn St. 312-266-1944.
THE HAUNTED MASQUERADE: Masquerade with open bar and silent auction. Costume or cocktail attire required; 8-11 p.m. Oct. 26; $45-$60. Proceeds benefit Mount Sinai Medical Institute Council; Bacchus, 2242 N. Lincoln Ave. 773-257-6071, 773-477-5238.
HAUNTED PUB CRAWL: Richard T. Crowe leads a tour of Chicago’s haunted bars and taverns, from Chinatown to Rogers Park; 7-11 p.m. Oct. 25-31, Nov. 1-5; $33 in advance, $44. Group rates available. Reservations required; Chicago Ghost Tours at Goose Island, 1800 N. Clybourn Ave. Through Nov. 10. 708-499-0300.
THE HOUDINI SEANCE: The Society of American Magicians attempts to contact Harry Houdini, who died on Halloween in 1926. Buffet dinner follows ceremony; 7, 8:30 p.m. Oct. 25, 26, 28-31; $10-$15. First-come, first-served. No late seating; Excalibur, 632 N. Dearborn St. Through Oct. 31. 773-774-1919.
HOWL-OWEEN PARTY: Dress like your pet at this annual Anti-Cruelty Society benefit with jazz by the Elaine Dame Quartet. Prizes for costumes. No pets, please; 7 p.m.-11 a.m. Oct. 31; $30; Pops for Champagne, 2934 N. Sheffield Ave. 773-472-1000.
KARAOKE COSTUME PARTY: Croon in costume for $500 worth of prizes. Drink specials include $4 pitchers of Miller Lite and Leinenkugel; 9 p.m.-1 a.m. Oct. 27; free; Duke O’Brien’s, 110 N. Main St., Crystal Lake. 815-356-9980.
LE PASSAGE MASQUERADE: Dance music, disguises and specialty potions; 9 p.m.-4 a.m. Oct. 31; $20; Le Passage, 937 N. Rush St. 312-255-0022.
NEVIN’S HALLOWEEN SHOW: Mid-States, Pearly Sweets and The Platonics, Robbie Fulks, Eddie Carlson, Steph Turner, Jason Narducy and Miss Mia, Dylan Rice and Roho dress and perform as other bands. Costume contest with prizes; 9 p.m. Oct. 31; Nevin’s Live, 1450 Sherman Ave., Evanston. 847-869-0450.
ORSO’S HALLOWEEN COSTUME AND WINE MAKING PARTY: Come in costume to this party with grape-stomping and wine tasting; 7 p.m.-2 a.m. Oct. 26; $20; Orso’s, 1401 N. Wells St. 312-787-6604, 312-787-6604.
THE RED MASQUE BALL: Features music by Paris Delane and Hyperharp, open bar, silent auction of celebrity memorabilia and “haunted house” in the old nurse’s dormitory; 7:30 p.m.-1:30 a.m. Nov. 1; $35-$50. Proceeds benefit the Michael Reese Staff HIV/AIDS Care Program; Rothschild Pavilion at Michael Reese Hospital, 2816 S. Ellis. 773-791-3455.
SAMBA HALLOWEEN: Halloween party features music by Chicago Samba and a costume contest (first prize $150, second prize $50); 10 p.m. Oct. 31; $7; The Note, 1565 N. Milwaukee Ave. 773-489-0011.
SPOOKY DANCE PARTY: Get pre-party dance lessons and then salsa, swing, tango, waltz and more. Refreshments served; 7 p.m. Oct. 26; $5-$15; Chicago Dance, 3660 W. Irving Park Rd. 773-267-3411.
THINGS THAT GO BUMP IN THE NIGHT: Includes a cocktail reception and costume contest with cash prizes; 9 p.m. Oct. 31; $10; BLU, 2247 N. Lincoln Ave. 773-549-5884.
VOODOO LOUNGE COSTUME PARTY: Party at Deja Vu on the street level or venture upstairs for Voodoo Lounge’s special Halloween Costume Party with a cash-prize contest; 10 p.m.-4 a.m. Oct. 26; TBD; Deja Vu, 2624 N. Lincoln Ave. 773-871-0205.
