Rabbi Sam:Charlie Varon's solo show about a rabbi who wants to reinvent American Judaism. Saturdays, Sundays. Continues through Nov. 22. The Marsh, 1062 Valencia (at 22nd St.), 826-5750, www.themarsh.org.
Reckless: San Francisco Free Civic Theatre's production of Craig Lucas' comedy. Fridays, Saturdays. Continues through Oct. 25. Eureka Valley Recreation Center, 100 Collingwood (at 18th St.), 831-6810, www.sfgov.org.
Shocktoberfest!: Grand Guignol terror plays. Thursdays, Fridays, 8 p.m.; Sat., Oct. 31, 11:59 p.m. Continues through Nov. 20, $25-$69. The Hypnodrome, 575 10th St. (at Bryant), 377-4202, www.thrillpeddlers.com.
Stateless: A Hip-Hop Vaudeville Experience: A multimedia collage by Dan Wolf and Tommy Shepherd. Starting Oct. 22, Thursdays-Sundays. Continues through Dec. 6. Traveling Jewish Theatre, 470 Florida (at Mariposa), 292-1233, www.atjt.com.
Tales from the Dark Room: New tales of terror each weekend. Fridays, Saturdays. Continues through Oct. 24, $20. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987, www.darkroomsf.com.
Theatresports: Clash of the Heroes: Performances by BATS Improv. Fridays-Sundays. Continues through Nov. 1, www.improv.org. Fort Mason, Bldg. B (Marina & Buchanan), 474-6776, www.fortmason.org.
Wicked: Meet the witches of Oz. Through Jan. 3, 2010. Orpheum Theater, 1192 Market (at Eighth St.), 551-2000.
The Woman in Black: A classic ghost story set on England's bleak coast. Starting Oct. 23, Thursdays-Sundays. Continues through Nov. 14, www.secondwind.8m.com. The Phoenix Theatre, 414 Mason (at Post), 989-0023, www.phoenixtheatresf.org.
Zombie: A New Musical: Playwright and director Anthony R. Miller's brain-eating tragicomedy. Thursdays-Saturdays. Continues through Oct. 31. Exit Theatre, 156 Eddy (at Taylor), 931-3847, www.theexit.org.