PLAN AHEAD: NEXT WEEKEND

* “Margaret,” Timothy McNeil’s coming-of-age play, circa 1968, directed by “You Can Count On Me” star Mark Ruffalo, runs Jan. 19-Feb. 25 at the Hudson Backstage Theatre, 6537 Santa Monica Blvd., Hollywood. $15. (323) 856-4200, (323) 860-8835.

* “A Slippery Slope” and “Morning, Noon & Night,” monologuist Spalding Gray performs two of his latest solo shows, Thursday (“A Slippery Slope”) and Friday (“Morning, Noon & Night”) at the California Center for the Arts, 340 N. Escondido Blvd., Escondido. $32. (800) 988-4253.

* “The Knackers ABC,” Boris Vian’s anarchist vaudeville, runs Jan. 19-Feb. 24 at Open Fist Theatre, 1625 N. La Brea Ave., Los Angeles. $15. (323) 882-6912.

* The Iona Pear Dance Theatre of Honolulu performs Cheryl Flaharty’s full-evening contemporary spectacle “The Mythology of Angels” on Jan. 18 at Pepperdine University, 24255 Pacific Coast Highway, Malibu. $25. (310) 506-4522. Also Jan. 20 at 8 p.m. in the Alex Theatre, 216 N. Brand Blvd., Glendale. $20 to $43. (800) 233-3123..

* Momix performs “Baseball” in two different versions at 2 and 8 p.m. on Jan. 20 in the Carpenter Performing Arts Center, 6200 Atherton St., Long Beach. $12-$23. (562) 985-7000.