Last Chance: Ends This Weekend

* Theater. “The Countess,” the West Coast premiere of Gregory Murphy’s off-Broadway hit about 19th century art critic John Ruskin, his wife, Effie, and his protege John Everett Millais, closes Sunday at South Coast Repertory, 655 Town Center Drive, Costa Mesa. Today and Friday, 7:45 p.m.; Saturday and Sunday, 2 and 7:45 p.m. $26 to $47. (714) 708-5555.

* Arts. “L.A. Freewaves’ Air Raids,” the citywide festival of experimental media arts, closes Saturday with a Festival Finale from 5 to 10 p.m. at the Vermont Music Cafe. Those who attend the finale at the Koreatown karaoke club can view festival tapes they may have missed during the monthlong event. Web site: https://www.freewaves.org. Phone: (213) 617-3950.

* Art. Sandow Birk: Prisonation: California in the 21st Century,” an exhibition of paintings that explore the myths, legends and realities that shape California’s distinctive cultural landscape, closes Saturday at Koplin Gallery, 464 N. Robertson Blvd. Today-Saturday, 11 a.m.-5 p.m. Free. (310) 657-9843.