Audium 9: Spatial electronic orchestrations and sound sculptures. Early arrival is advised. Fridays, Saturdays, 8:30 p.m. $20. Audium-Theatre of Sound-Sculptured Space, 1616 Bush (at Franklin), 771-1616.
Beach Blanket Babylon: Steve Silver's musical revue spoofs pop culture with extravagant costumes. Wednesdays-Sundays. $25-$130. Club Fugazi, 678 Green (at Powell), 421-4222.
Believers: In StageWerx's production, Rockwell Wise stays holed up inside a remote lab hard at work developing a love vaccine as the world teeters on environmental collapse. Thursdays-Saturdays, 8 p.m. Through Aug. 25. $15-$30. Stage Werx 446, 446 Valencia (at 16th St.).
Beyond Therapy: This comedy focuses on two Manhattanites who are seeking stable romantic relationships with the help of their psychiatrists. Fridays, Saturdays, 8 p.m. Through Sept. 9. $15-$30. Shelton Theater, 533 Sutter (at Powell), 433-3040.
Big City Improv: Actors take audience suggestions and create comedy from nothing. Fridays, 10 p.m. $15-$20. www.bigcityimprov.com. Shelton Theater, 533 Sutter (at Powell), 433-3040.
The Business: A Comedy Show: Sketch and stand-up comedy. Wednesdays, 8 p.m. $5. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
The Devil's Carnival: A musical-theater-film-performance collaboration. Sat., Aug. 11. $21. Balboa Theater, 3630 Balboa (at 38th Ave.), 221-2184.
Dog Sees God: Confessions of a Teenage Blockhead: After his dog contracts rabies and is put down, Charlie Brown faces difficult questions about the nature of life and death. Wednesdays-Saturdays. Through Aug. 25. $18. Boxcar Playhouse, 505 Natoma (at Sixth St.), 776-1747.
Will Durst's Elect to Laugh: A comedy show chasing down the presidential election from a San Francisco comedian who once ran for mayor. Tuesdays. Through Nov. 6. $15-$35. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
Electile Dysfunction: The Kinsey Sicks for President: Musical quartet makes fun of the American election process. Through Aug. 18. $35-$40. The Rrazz Room at Hotel Nikko, 222 Mason (at O'Farrell), 394-1189.
Enron: Open Tab Productions' absurdist take on the Enron scandal, using puppets. Thursdays-Saturdays. Through Aug. 17. $25. www.opentabproductions.com. Exit Theatre, 156 Eddy (at Taylor), 673-3847.
Her Rebel Highness: A musical revue. Sundays, 5 p.m. Through Aug. 12. $25-$75. Harlot, 46 Minna (at First St.), 777-1077.
Humor Abuse: Lorenzo Pisoni's physical comedy show on growing up as the youngest member of San Francisco's Pickle Family Circus. Tuesdays-Sundays. Through Aug. 19. $30-$95. American Conservatory Theater, 415 Geary (at Mason), 749-2228.
Measure for Measure: A staging of the colorful Shakespeare play. Mondays, Tuesdays, 8 p.m. Through Aug. 27. $5. Cafe Royale, 800 Post (at Leavenworth), 441-4099.
Miss Julie: Craig Lucas' adaptation of August Strindberg's play on the relationship between an aristocrat and the valet. Wednesdays-Saturdays. Through Sept. 8. $26-$38. Actors Theatre San Francisco, 855 Bush (at Taylor), 345-1287.
Monday Night Marsh: Musicians, actors, performance artists, and others stage works in progress. Mondays. $7. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
My Fair Lady: The famous Broadway musical is reinvented into a new production designed to fit the SF Playhouse Stage. Tuesdays-Thursdays, 7 p.m.; Fridays, Saturdays, 8 p.m. Through Sept. 15. $30-$70. SF Playhouse, 533 Sutter (at Powell), 677-9596.
Party of 2 The Musical: Can love survive living together? Fridays. Through Aug. 31. $27-$29. Shelton Theater, 533 Sutter (at Powell), 433-3040.
The Princess Bride: Live!: The Princess Bride performed live for the 25th anniversary of the movie. Thursdays-Saturdays, 8 p.m. Through Aug. 25. $20. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
Project: Lohan: A multimedia show about the troubled starlet and the media frenzy surrounding her. Thursdays-Sundays. Through Aug. 19. $25-$30. The Costume Shop, 1117 Market (at Seventh St.).
Secret Improv Society: Underground improvisational theater. Saturdays, 10 p.m. $15. Shelton Theater, 533 Sutter (at Powell), 433-3040.
Shopping! The Musical: Songs and sketches about shopping. Fridays, Saturdays, 8 p.m. $23-$29. www.shoppingthemusical.com. Shelton Theater, 533 Sutter (at Powell), 433-3040.
Some Thing: Art drag night with craft table. Fridays. $5. The Stud, 399 Ninth St. (at Harrison), 863-6623.
Sweeney Todd: With murder, mayhem, and meat pies, this musical tells the tale of Benjamin Barker, alias Sweeney Todd, who returns to London after 15 years' banishment on false charges. Thursdays-Sundays. Through Aug. 11. $25-$36. Eureka Theatre Company, 215 Jackson (at Front), 788-7469.
Tony 'n' Tina's Wedding: Fridays, Saturdays, 7 p.m. $88.50-$115.50. www.tonyandtinasanfrancisco.com. Imperial Palace, 818 Washington (at Grant), 956-9888.
Vital Signs: The Pulse of an American Nurse: Solo performance by Alison Whittaker about working in the healthcare industry. Fridays, Saturdays, 8:30 p.m. Through Aug. 25. $18-$53. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.