Plan Ahead: Next Weekend

* Art. “Panza: The Legacy of a Collector” opens Dec. 12 at the Museum of Contemporary Art, 250 S. Grand Ave., downtown Los Angeles. The respected collection includes works by Franz Kline, Claes Oldenberg, Robert Rauschenberg and Mark Rothko. Tuesdays-Sundays, 11 a.m.-5 p.m.; Thursdays, 11 a.m.-8 p.m. Ends April 30. Admission: adults, $6; students and seniors, $4; children 12 and younger, free. (213) 626-6222.

* Theater. “Les Miserables,” the musical based on Victor Hugo’s classic, opens Dec. 12 at 4 p.m. at the Ahmanson Theatre, 135 N. Grand Ave., Los Angeles, playing Tuesdays-Saturdays, 8 p.m.; Sundays, 7:30 p.m.; Saturdays-Sundays, 2 p.m. Also Dec. 23, 30, Feb. 10, 2 p.m.; Dec. 20, 27, Feb. 7, 8 p.m. Dec. 25, 8 p.m. only, Dec. 31, 7 p.m. only. Dark Dec. 24. Ends Feb. 12. $25 to $70. (213) 628-2772.

* Dance. The Cal Arts Dance Ensemble celebrates its 20th anniversary with a special alumni concert, “Then and Now,” on Dec. 9 through Dec. 11 at 8 p.m. in the Walt Disney Modular Theatre, 24700 McBean Parkway, Valencia. $2 (students, seniors) to $10. (661) 253-7800.