CHINESE ART EXHIBIT, "Connections," mixed-media based on Chinese antiquity by Eleanor Kotlarik Wang, 10 a.m.-5 p.m. today, Friday, Saturday and Monday, noon-5 p.m. Sunday, Torpedo Factory Art Center, Art League Gallery, 105 N. Union St., Alexandria. Free. 703-683-1780.
ARLINGTON COLLAGE ART, exhibit of works by B.J. Adams, Shala Arbabi, Judy Bass and others, 10 a.m.-8 p.m. today and Monday, 10 a.m.-6 p.m. Friday and Saturday, Marymount University, Reinsch Library, Barry Gallery, 2807 N. Glebe Rd., Arlington. Free. 703-284-1561.
ARLINGTON HALLOWEEN PARTY, for seniors, prizes for best costumes, 10:30 a.m., Dawson Terrace Senior Center, 2133 N. Taft St., Arlington. Free; preregistration required. 703-228-6300.
ALEXANDRIA HALLOWEEN PARTY, and story time, for children 3-6, 2 p.m., Kate Waller Barrett Library, 717 Queen St., Alexandria. Free. 703-838-4555.
ALEXANDRIA COMIC DRAMA, "The Waverly Gallery," about the effect of a senile matriarch on her family, presented by the Port City Playhouse, 8 p.m. Friday and Saturday, Nannie J. Lee Center, 1108 Jefferson St., Alexandria. $12; seniors and high school students, $10. 703-838-2880.
"THE HOBBIT," stage version of the novel by J.R.R. Tolkien, performed by the Children's Theatre, children wearing a Halloween costume receive a treat, 7:30 p.m. Friday, 3 and 7:30 p.m. Saturday, 3 p.m. Sunday, through Nov. 10, Thomas Jefferson Community Theatre, 125 S. Old Glebe Rd., Arlington. $10; seniors, students and children, $7; reservations recommended. 703-548-1154, Ext. 1.
"THE HEIRESS," about a woman caught between her rich, domineering father and a penniless, charming man, 8 p.m. Wednesdays-Saturdays and 3 p.m. Sundays, through Nov. 23, the Little Theatre of Alexandria, 600 Wolfe St., Alexandria. $12; Friday and Saturday, $15; reservations required. 703-683-0496 or www.thelittletheatre.com.
LANDMARK MALL STORY TIME, for ages 3-6, sponsored by the Alexandria Library, 11:30 a.m. Fridays, through Dec. 27, atrium at Lord & Taylor, 5801 Duke St., Alexandria. Free. 703-519-5900.
HISTORIC TAVERN TOURS, 30-minute tours of candlelighted rooms with a costumed guide, 7-9:15 p.m., Gadsby's Tavern Museum, 134 N. Royal St., Alexandria. $5; ages 11-17, $2; reservations requested. 703-838-4242.
MUSIC AWARENESS GROUP, seniors discuss London orchestras, 1:30 p.m., Culpepper Garden Senior Center, 4435 N. Pershing Dr., Arlington. Free. 703-228-4403.
PIONEER DAY, Walker Log House tours, live entertainment, blacksmithing demonstrations, games, potpourri-making, butter-churning, candle-dipping and more, noon-4 p.m., Gulf Branch Nature Center, 3608 N. Military Rd., Arlington. $3. 703-228-3403.
ALEXANDRIA GARDENING PROGRAM, the "Saturday Hort-Takes" demonstrations of pruning shrubs and trees, sponsored by the American Horticultural Society, 9-10 a.m., River Farm, 7931 East Boulevard Dr., Alexandria. $10; reservations required. 703-768-5700, Ext. 124.
FOUNTAINHEAD THEATRE PLAY, "Come Back, Little Sheba," about a young woman who moves in with a couple and is the catalyst that forces them to confront their past, produced with the Keegan Theatre, 2 p.m. Saturdays, 8 p.m. Sundays-Tuesdays, through Nov. 12, Clark Street Playhouse, 601 S. Clark St., Arlington. Saturdays and Sundays, $22; Mondays and Tuesdays, $17. 703-920-5923 or www.fountainheadtheatre.com.
CLASSIKA FAMILY THEATRE, "Peter and the Wolf," an original play based on Sergey Prokofiev's symphony for children, 2 p.m. Saturday and Sunday, Village at Shirlington, 4041 S. 28th St., Arlington. $15; in advance, $12. 703-824-6200.
ONE-ACT OPERAS, the Opera Theatre of Northern Virginia presents two French operas sung in English, "Pomme d'Api" (Wild Rose) and "La Princesse Jaune" (Oriental Princess), 8 p.m. Saturday (followed by a reception); 2 p.m. Sunday, Rosslyn Spectrum, 1611 N. Kent St., Arlington. Saturday, $35; Sunday, $30. 703-528-1433.
18TH-CENTURY SWORDPLAY, reenactment and display of period weapons, 11 a.m.-4 p.m., Gadsby's Tavern Museum, 134 Royal St., Alexandria. $4; ages 5-17, $2; reservations recommended. 703-838-4242.
POTOMAC SAIL, weather permitting, a dory boat ride on the Potomac River, includes discussion of Alexandria history, sponsored by the Alexandria Seaport Foundation, 11 a.m. and 2 p.m., Waterfront Park, between Prince and King streets. Suggested donation, $8; reservations required. 703-549-7078.
ART AWARENESS CLASS, for 55 and older, discussion of European romantic architectural styles; different topics each session, first and second Mondays of each month, 1-3 p.m., Aurora Hills Senior Action Center, 735 S. 18th St., Arlington. Free; preregistration required. 703-228-5722.
ARLINGTON BOOK DISCUSSION, "Interpreter of Maladies," by Jhumpa Lahiri, 7:30 p.m., Cherrydale Library, 2190 N. Military Rd., Arlington. 703-228-6330.
ARMY BAND CONCERT, "Echos," 7:30 p.m., Brucker Hall, Fort Myer. Free. 703-696-3399.
ARLINGTON STORY TIME, for ages 5-7, 6:30 p.m., Columbia Pike Library, 816 S. Walter Reed Dr., Arlington. Free; preregistration required. 703-228-5713.
ARLINGTON BIRD-WATCHING, for adults, join members of the Northern Virginia Bird Club for a walk through Long Branch and Glencarlyn parks searching for resident and migrating birds, bring binoculars and field guides, 9 a.m.-noon, Long Branch Nature Center, parking lot, 625 S. Carlin Springs Rd., Arlington. Free; reservations required. 703-228-6535.
-- Compiled by Sarah Lane
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