It is recommended that readers call ahead to confirm that programs have not been canceled or otherwise changed since press time because of recent news events.

Concerts SANTI DEBRIANO -- 8 p.m. Saturday. The bassist performs a jazz concert. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. $18; seniors and students, $15. 301-203-6070.

LEFT BANK QUARTET -- 8 p.m. Saturday. Chamber music by the University of Maryland School of Music string ensemble, with guest James Stern on viola. Concert includes "Black Angels," by George Crumb, and Quintet in G Major, by Johannes Brahms. Clarice Smith Performing Arts Center, University Boulevard and Stadium Drive in College Park. $20; $5, students. 301-405-2787.

Sports and Recreation ADULT SWIM -- 8:30-10 p.m. Tuesdays and Thursdays. Glenarden/Theresa Banks Complex, 8615 McLain Ave., Glenarden. $5; bi-county residents, $4. 301-772-5515.

RIVER ECOLOGY BOAT TOUR -- 2 p.m. Sundays. Pontoon ride with a park naturalist, who will discuss the wildlife and history of the area. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. Reservations, 301-627-6074.

USA FUND BOAT TOUR -- Noon Wednesdays. Interpretive boat tour of the Anacostia River benefits the USA Fund, for families affected by the events of Sept. 11, 2001. Leaves from Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. Donations. 301-799-0371.

Theater "YOU CAN'T TAKE IT WITH YOU" -- 8 p.m. Thursday, Friday and Saturday. George Kaufman and Moss Hart's comedy about a noncomformist family whose members opt out of the rat race. Directed by John Vreeke. Ina & Jack Kay Theatre, Clarice Smith Performing Arts Center, University Boulevard and Stadium Drive in College Park. $20; $16, students. 301-405-2787.

"ON GOLDEN POND" -- 8 p.m. Saturday. The tale of an aging couple who spend their summers in a New England lakeside cottage. Publick Playhouse, 5445 Landover Rd., Cheverly. $10, adults; $8, seniors and students ages 18 and under. 301-277-1711

Exhibitions ARTIST'S RECEPTION -- 6 p.m.-8 p.m. Thursday. Reception by Prince George's Arts Council kicking off Rachel Pope's exhibit "Remembering My Spirit." Prince George's Metro Center, 6525 Belcrest Rd., Suite 132, Hyattsville. Free. 301-277-1402.

"A WOMAN'S PLACE IS IN THE SENATE" -- Noon-4 p.m. Friday through Sunday. Commemorating the 70th anniversary of Hattie Caraway's election to the U.S. Senate. Riversdale House Museum, 4811 Riverdale Rd., Riverdale Park. $3, adults; $2, seniors and groups of 10 or more, $1, students; free, children younger than 4. 301-864-0420.

"WELLSPRING OF A WOMAN'S WORLD" -- Through Saturday. Paintings by members of ArtSpin Gallery, Queen's Chapel Town Center, 5402 Queen's Chapel Rd., Hyattsville. 301-559-1477.

ANA DE ORBEGOSO -- Through Oct. 31. "Straight to the Heart" photography exhibit. Main art gallery, Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

"FROM VILLAGE TO CITY: THE CAPITAL GROWS UP" -- Through Nov. 1. Includes photos and memorabilia related to Washington's growth during the 1800s. Surratt House Museum, 9118 Brandywine Rd., Clinton. Adults, $3; seniors, $2; children, $1. 301-868-1121.

BRAZILIAN ART -- Through Dec. 27. Contemporary art by Brazilian painters. U.S. District Court, 6500 Cherrywood Lane, Greenbelt. Free. 301-277-1402.

RADIO PREMIUMS -- Ongoing. Memorabilia related to the radio serials of the 1930s, '40s and '50s, including "Radio Orphan Annie," "Buck Rogers in the 25th Century" and "Captain Midnight." The Radio-Television Museum, 2608 Mitchellville Rd., Bowie. Free. 301-390-1020.

WASHINGTON AND BALTIMORE BROADCAST HISTORY -- Ongoing. Photographs and artifacts from the early days of broadcasting in the two cities. The Radio-Television Museum, 2608 Mitchellville Rd., Bowie. Free. 301-390-1020.

"PICTURING VICTIMS AND PATRIOTS: PHOTOGRAPHS FROM THE DEPRESSION AND WORLD WAR II" -- Ongoing. Photographs illustrating New Deal social welfare programs. Photographers include Gordon Parks, Walker Evans, Marion Post Wolcott, Russell Lee, Arthur Rothstein and John Vachon. Greenbelt Museum, 15 Crescent Rd. Free. 301-507-6582.

"THE FORGOTTEN WAR REMEMBERED: AMERICA AND THE KOREAN WAR" -- Ongoing. Includes 20 photographs chronicling the war, from the growing tensions during the late 1940s through the signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 301-713-6800.

Halloween Events FRIGHT FEST -- 5-10 p.m. Friday; 10 a.m.-10 p.m. Saturday and Sunday. Halloween-themed events at Six Flags America include "Express Haunted Train Ride," "House of Horrors" "Trick-or-Treat Trail," costume and karaoke contest. Shows and attractions (except "Brutal Planet," which has an additional $6 charge) are free with park admission: $35.99; $23.99, kids under 54 inches and senior citizens; free for children 3 and younger. Parking is $9 per car. The park is in Largo, on Route 214 five miles east of the Beltway. 301-249-1500.

THE GREAT HAUNTED PUMPKIN PARTY -- 7-8:30 p.m. Saturday. Halloween party for kids ages 2-5. Marlow Heights Community Center, 2800 St. Clair Dr., Marlow Heights. $3; $2, bi-county. 301-423-0505.

HAUNTED WOODLANDS -- 7-9:30 p.m. Saturday. Ghost walk through the haunted forest. Ages 8 & up. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $4; $3, bi-county. Reservations, 301-297-4575.

HAUNTED HOUSE -- 7-9 p.m. Saturday. Scary haunted house. Glassmanor Community Center, 1101 Marcy Ave., Oxon Hill. $4; $3, bi-county. 301-567-6033.

FLIGHT NIGHT -- 7-9 p.m. Saturday. Fourth annual evening of arts and crafts, haunted hayrides and spooky fun for all ages. Wear a costume. College Park Aviation Museum, 1985 Cpl. Frank Scott Drive, College Park. Free with museum admission: $4, adults; $3, seniors & groups, $2, students & children ages 18 and under. 301-864-6029.

SINGLES DANCE -- 8:30 p.m.-12:30 a.m. Saturday. Costume party and dancing for ages 21 and up. Sponsored by the Catholic Alumni Club of Washington. Knights of Columbus Hall, 10142 Cherry Hill Rd., College Park. $12. 301-498-3269.

YOUNG GOBLINS MAGIC SHOW -- 6-9 p.m. Wednesday. Magic show and costume parade. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. $4; $3, bi-county. Reservations, 301-203-6040.

Miscellaneous RAGTIME TEA DANCE -- 2-4 p.m. Saturday. Dance demonstration and lessons of Ragtime dance. Costumes optional. Poplar Hill on His Lordship's Kindness, 7606 Woodyard Rd., Clinton. $12. 301-856-0358.

Prince George's Extra Weekend section lists events as space permits. Mail notices noting date, time, address, cost and phone number to Weekend Section, The Washington Post, 14402 Old Mill Rd., Upper Marlboro, Md. 20772. Deadline is 10 days before publication date.