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, www.themarsh.org.
Now and at the Hour: Christian Cagigal's popular magic-themed show. Fridays, Saturdays. Continues through March 27. Exit Stage Left, 156 Eddy (at Taylor), 673-3847, www.sffringe.org.
O Lovely Glowworm, or Scenes of Great Beauty: Presented by the American Conservatory Theater Master of Fine Arts Program. Wednesdays-Sundays. Continues through March 20. Zeum, 221 Fourth St. (at Howard), 820-3320, www.zeum.org.
Pearls over Shanghai: Thrillpeddlers brings back the Cockettes. Fridays, Saturdays. Continues through April 24, $30. The Hypnodrome, 575 10th St. (at Bryant), 377-4202, www.thrillpeddlers.com.
Sugar Witch:Nathan Sanders' play about the secrets that rise from the swamp. Wednesdays-Sundays. Continues through April 11. New Conservatory Theatre Center, 25 Van Ness (at Market), 861-8972, www.nctcsf.org.