All Atheists Are Muslim: A solo performance by Zahra Noorbakhsh. Thursdays-Saturdays, 8 p.m. Through Oct. 1. $20. Stage Werx Theatre, 533 Sutter (at Powell), 730-3433.
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.
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 Breakfast Fight Club: An original play based on a mashup of The Breakfast Club and Fight Club. Fri., Sept. 30, 8 p.m. $15. Dark Room Theater, 2263 Mission(at 19th St.), 401-7987.
The Business: A Comedy Show: Wednesdays, 8 p.m. $5. Dark Room Theater, 2263 Mission (at 19th St.), 401-7987.
Desdemona: Adaptation based on character in Shakespeare's Othello. Daily. Through Nov. 5. $15-$35. Boxcar Playhouse, 505 Natoma (at 6th St.), 776-1747.
Don't Tell Mom the Weekend's Dead!: Sketch comedy and variety show written, produced, directed, and performed by women. Mondays. Through Oct. 24. $20-$30. Dark Room Theater, 2263 Mission (at 19th St.), 401-7987.
Honey Brown Eyes: A tale of two musicians who fight on opposite sides of the Bosnian war. Tuesdays-Saturdays. Through Nov. 5. $20-$50. SF Playhouse Stage 2,533 Sutter (at Powell), 677-9596.
Maestro's Enchantment: A romance between an illusionist and the leader of an 18th-century circus troupe. Aerial acts, music, and dinner. Thursdays-Sundays. Through Oct. 9. $117-$186. love.zinzanni.org. Teatro ZinZanni, Pier 27, Lombard & Embarcadero, 438-2668.
Monday Night Marsh: Musicians, actors, performance artists, and others stage works in progress. Mondays. $7. The Marsh, 1062 Valencia (at 22nd St.), 826-5750.
Night Over Erzinga: Written by Adriana Sevahn. Sundays, 2 p.m.; Fridays, Saturdays, 8 p.m.; Thursdays, 8:30 p.m. Through Oct. 9. $20-$36. Fort Mason, Southside Theater, Marina (at Buchanan).
Not Getting Any Younger: Solo performance by comedian Marga Gomez. Thursdays-Sundays. Through Oct. 23. $15-$50. The Marsh, 1062 Valencia (at 22nd St.),826-5750.
Once in a Lifetime: A comedy about Hollywood's transition from silent films to "talkies." Tuesdays-Sundays. Through Oct. 16. $9.50-$85. American Conservatory Theater,415 Geary (at Mason), 749-2228.
Secret Improv Society: Underground improvisational theater. Saturdays, 10 p.m. $15. Shelton Theater, 533 Sutter (at Mason), 433-3040.
Shocktoberfest!! 12: Fear Over Frisco: Scary, gross, stylish playlets by Eddie Muller. Thursdays-Saturdays, 8 p.m. Through Nov. 19. $25-$35. The Hypnodrome,575 10th St. (at Division), 377-4202.
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.
Show Ho: Starring Sara Moore. Thursdays-Saturdays, 8 p.m.; Sun., Oct. 9, 2 p.m. Through Oct. 9. $20-$32. New Conservatory Theatre Center, 25 Van Ness (at Oak), 861-8972.
Some Thing: Art drag night with craft table. Fridays. $5. The Stud, 399 9th St. (at Harrison) , 252-7883.
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.
Upper Cut Improv Showcase: Improv and sketch comedy. Fridays, 7 p.m. $5. San Francisco Comedy College,414 Mason (at Geary), 921-2051.
Why We Have a Body: A lesbian private investigator follows men suspected of cheating on their wives. Tuesdays-Sundays. Through Oct. 2. $20-$60. Magic Theatre, Fort Mason, Bldg. D, Marina & Buchanan, 441-8822.
Your F!#&ed Up Relationship: Improv based on real-life relationship problems supplied by audience members. Fridays. free. Alcove Theater, 414 Mason (at Derby).