The Aliens: Two young men in a New England town meditate on music, philosophy, drugs, and Bukowski, and find a disciple behind a coffeehouse. Tuesdays-Saturdays. Through May 5. $20-$70. SF Playhouse, 533 Sutter (at Powell), 677-9596.
Any Given Day: A play set in Scotland exploring the fleeting nature of love and happiness against a backdrop of violence and disappointment. Tuesdays-Sundays. Through April 29. $20-$60. Magic Theatre, Fort Mason, Bldg. D, Marina & Buchanan, 441-8822.
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.
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.
Blues for an Alabama Sky: A love story set during the Harlem Renaissance in which religion, lies, and sexual orientations collide. Wednesdays-Sundays. Through May 12. $10-$53. Lorraine Hansberry Theatre, 450 Post (at Powell), 474-8800.
A Bright Room Called Day: A play by Tony Kushner about a woman who protects her circle of creative and activist friends from the Nazis' rise to power in 1930s Berlin. Fridays-Sundays. Through April 22. $20-$32. Gough Street Playhouse, 1620 Gough (at Bush).
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.
Goodfellas: Live: Onstage parody of the film. Fridays, Saturdays, 8 p.m. Through April 28. $20. 401-7987. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
Will Durst's Elect to Laugh: A comedy sketch chasing down the presidential election cycle. Tuesdays. $15-$35. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
ForePlays' This American Lie: Sketch comedy written, performed, and produced by the women of PianoFight as well as music and stand-up comedy. Fridays. Through May 4. $15-$25. Stage Werx 446, 446 Valencia (at 16th St.).
FWD: Life Gone Viral: A performance by Charlie Varon and Jeri Lynn Cohen. Previews run April 19 through May 10. $20-$50. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
Hot Greeks: An ancient Greek tragedy meets a modern-day football comedy meets theater of the absurd in this remake of a play by San Francisco's Cockettes. Thursdays-Saturdays, 8 p.m. Through May 5. $30-$69. The Hypnodrome, 575 10th St. (at Bryant), (800) 838-3006.
Jimmie Walker: Comedy performance. Through April 19. $15-$30. Tommy T's Showroom, 1000 Van Ness Ave., 925-227-1800.
Kipling Hotel: Don Reed's solo show. Saturdays, Sundays. Through May 6. $20-$50. The Marsh Berkeley, 2120 Allston (at Shattuck), Berkeley, (510) 704-8291.
The Laramie Project: 10 Years Later: Members of the Tectonic Theatre Project return to Laramie a decade after the killing of gay college student Matthew Shepard to gauge the tragedy's effect on the town and its people. Wednesdays-Sundays. Through April 29. New Conservatory Theatre Center, 25 Van Ness (at Market), 861-8972.
Maple and Vine: A couple flees the modern world to live in a society of 1950s re-enactors. Tuesdays-Sundays. Through April 22. $9.50-$85. American Conservatory Theater, 415 Geary (at Mason), 749-2228.
Mission CTRL Goes Public: The $7 Billion IPO: Sketch comedy from comedy troupe that's part of the PianoFight theater company. Thursdays. Through May 3. $15-$25. Stage Werx 446, 446 Valencia (at 16th St.).
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.
Octopus's Garden: Play about ethical quandaries involving a same-sex couple, a kid, and the biological father. Saturdays. Through April 28. $20-$25. Stage Werx 446, 446 Valencia (at 16th 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.
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.
Waiting Period: Solo performance about depression by actor, playwright, author, and talk show host Brian Copeland. Fridays, Saturdays. Through May 26. $20-$50. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.