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), 882-9100.
The Business: A Comedy Show: Wednesdays, 8 p.m. $5. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
The Busy World Is Hushed: Story of a woman minister and her troubled relationship with her gay son. Wednesdays-Sundays. Continues through May 1. $24-$36. New Conservatory Theatre Center, 25 Van Ness (at Market), 861-8972.
Caliente: Teatro ZinZanni production starring El Vez. A sister and brother lead a rebellion in an attempt to live out their dreams in show business. Thursdays, Saturdays, Sundays; Through June 19. $91-$186. Teatro ZinZanni, Piers 27 and 29 (Embarcadero and Battery), 438-2668.
"Free Fridays! Improv Show": Late-night improv show. Fridays, 10:30 p.m. Continues through June 24. free. Alcove Theater, 414 Mason (at Derby).
Into the Clear Blue Sky: Sleepwalkers Theatre's second play in its "apocalypse trilogy." Written by J.C. Lee. Thursdays-Saturdays. Continues through April 30. $15-$17. The Phoenix Theatre, 414 Mason (at Post), 989-0023.
The Lily's Revenge: Play examining marriage starring playwright and burlesque performer Taylor Mac. Starting April 21. Tuesdays-Sundays. Continues through May 22. $20-$65. Magic Theatre, Fort Mason, Bldg. D, Marina & Buchanan, 441-8822.
Loveland: Solo show by Ann Randolph. Fridays, Saturdays; Sundays. Continues through May 8. $20-$100. The Marsh, 1062 Valencia (at 22nd St.), 826-5750.
Monday Night ForePlays: Spring EGGstravaganza: PianoFight series features sketch comedy written, produced, and performed by women. Mondays, 8 p.m. Continues through April 25. $15-$30. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
Monday Night Marsh: On select Mondays a different lineup of musicians, actors, performance artists, and others takes the stage at this regular event that's hosted local celebs like Josh Kornbluth and Marga Gomez in the past; see www.themarsh.org for a lineup of future shows. Mondays. $7. The Marsh, 1062 Valencia (at 22nd St.), 826-5750.
No Exit: By Jean-Paul Sartre. Tuesdays-Sundays. Continues through May 1. $7.50-$88. American Conservatory Theater, 415 Geary (at Mason), 749-2228.
Sea Turtles: A GenerationTheatre production in which four characters at different ages are played by seven actresses. Fridays-Sundays; Thu., April 21. Continues through April 30. $9.99-$30. Exit Theatre, 156 Eddy (at Taylor), 673-3847.
Secret Improv Society: Underground improvisational theater. Saturdays, 10 p.m. $15. Shelton Theater, 533 Sutter (at Powell), 882-9100.
Shopping! The Musical: Songs and sketches about shopping. Fridays, Saturdays, 8 p.m. $23-$29. www.shoppingthemusical.com. Shelton Theater, 533 Sutter (at Powell), 882-9100.
Songs of the Dragons Flying to Heaven: Satire on race written by Young Jean Lee. Wednesdays-Saturdays. Continues through April 30. $15-$25. The Thick House, 1695 18th St. (at Arkansas), 401-8081.
Tape: A play by Stephen Belber about old friends, blackmail, and date-rape. Fridays, Saturdays, 8 p.m. Continues through April 23. $15. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
Tony 'n' Tina's Wedding: Saturdays, 7 p.m.; Fridays, 7 p.m. $88.50-$115.50. www.tonyandtinasanfrancisco.com. Swiss Louis Restaurant at Pier 39, 2 Beach (at Embarcadero), 421-2913.
Twelfth Night: Production of the African-American Shakespeare Company. Saturdays, Sundays, 3 p.m. Continues through May 1. $15-$30. African American Art and Culture Complex, 762 Fulton (at Webster), 922-2049.
Upper Cut Improv Showcase: Improv and sketch comedy. Fridays, 7 p.m. $5. San Francisco Comedy College, 414 Mason (at Geary), 921-2051.
Vice Palace: The Last Cockettes Musical: Thrillpeddlers perform Scrumbly Koldewyn's revival of the 1972 musical. Starting April 22. Fridays-Sundays. Continues through July 31. $30-$35. The Hypnodrome, 575 10th St. (at Bryant), 377-4202.
Wirehead: New play by Benjamin/Brown on humans' ability to adapt to changing technology. Tuesdays-Saturdays. Continues through April 23. $40-$50. SF Playhouse, 533 Sutter (at Powell), 677-9596.
Your F!#&ed Up Relationship: Improv based on real-life relationship problems supplied by audience members. Fridays. free. Alcove Theater, 414 Mason (at Derby).