* Tonight, "A Garfield Christmas Special" followed by "Stars on Ice" on WUSA.

* The Heisman Trophy presentation on ESPN.

* "The Big Holiday Help-a-Thon" on Nickelodeon.

* And, in late night, R.E.M. performs on "Saturday Night Live" on WRC.

* Tomorrow afternoon, the Redskins vs. Cardinals on WTTG.

* Tomorrow night, "Christmas in Washington" on TNT.

* "In Search of Liberty Bell 7" on Discovery Channel.

* Gene Wilder in "The Lady in Question" on A&E.

* And "A Season for Miracles" on WUSA.

SATURDAY

Sports

College Basketball. Michigan State at Arizona (Channel 9 at 2); Wake Forest at Georgia (HTS, 2:30); Duke at Michigan (Channel 9 at 4); James Madison at Radford (HTS, 4:30); Kentucky at Maryland (ESPN at 9).

College Football. The Heisman Trophy presentation (ESPN at 8 p.m.).

NBA Basketball. Washington at San Antonio (Channel 50, 8:30 p.m.).

Teen Show

It's Academic. Bethesda-Chevy Chase, Oxon Hill and Wakefield high schools compete (Channel 4 at 10 a.m.).

Public Affairs

Evans, Novak, Hunt & Shields (CC). Sen. Robert Bennett (R-Utah) discusses Y2K readiness (CNN, 5:30 p.m.).

Reliable Sources (CC). Topics include e-commerce (CNN, 6:30 p.m.; repeated tomorrow, 11:30 a.m).

Inside Washington With Gordon Peterson. Topics include the custody of a 6-year-old Cuban refugee (Channel 9 at 7 p.m.).

The Capital Gang (CC) grills White House press secretary Joe Lockhart (CNN at 7 p.m.).

The McLaughlin Group discusses the Panama Canal (Channel 4, 7:30 p.m.; repeats tomorrow, 11:30 a.m.).

This Is America With Dennis Wholey. A special show devoted to Y2K preparedness; with "Y2K Investor" author Tony Keyes (Channel 32, 7:30 p.m.; repeats tomorrow, 7:30 p.m.).

The Beltway Boys talk to Sen. Robert Torricelli (R-N.J.) (FNC at 9 p.m.).

Holiday Specials

A Garfield Christmas Special (CC) (R). The grumpy cat and his loser owner head to a farm for a country-style Christmas. 30 minutes (Channel 9 at 8).

Stars on Ice (CC). The 14th annual skating special taped at Lake Placid, N.Y. Performers include Kurt Browning, Scott Hamilton, Tara Lipinski and Kristi Yamaguchi. 90 minutes (Channel 9, 8:30).

Christmas in Vienna. Placido Domingo and Alejandro Fernandez perform holiday carols with the Vienna Symphony Orchestra. 30 minutes (Univision at midnight).

Cable Specials

Ultra Sound: Year in Rock '99 recounts the top nine music stories of the year, including Woodstock and the rap-rock hybrid. One hour (MTV, 3:30 p.m.).

The Big Holiday Help-a-Thon. Nickelodeon star Kenan Thompson hosts the sixth annual telethon encouraging youngsters to pledge volunteer hours in their communities. Puff Daddy, Britney Spears and 'N Sync perform. Two hours (Nickelodeon at 8).

Prime-Time Movie

Witness Protection (1999) (CC) (HBO at 8) is previewed by Tom Shales on Page C2.

Series

The Pretender (CC) poses as a doctor to come to the rescue of a child raised in the wilderness and being studied by a cruel scientist (Channel 4 at 8).

Profiler (CC). A serial killer goes online to select his next victim (Channel 4 at 9).

Walker, Texas Ranger (CC). Walker uncovers a plot to unleash deadly sarin gas on the country (Channel 9 at 10).

Late Night

Saturday Night Live (CC). With Danny DeVito and musical guest R.E.M. (Channel 4, 11:30).

SUNDAY

Sports

NFL Football (CC). Arizona at Washington (Channel 5 at 1); Miami at New York Jets (Channel 9 at 4); Minnesota at Kansas City (ESPN, 8:15).

College Basketball. Tennessee Tech at North Carolina (Channel 20, 1:30).

Magazine

Sunday Morning (CC) profiles Noel Coward on what would have been his 100th birthday (Channel 9 at 9 a.m.).

Public Affairs

Fox News Sunday (CC) interviews GOP presidential candidate Sen. John McCain (R-Ariz.), and Reps. Vita Fossella (R-N.Y.) and Charles Rangel (D-N.Y.) debate the homeless issue in their state (Channel 5 at 9 a.m.).

Meet the Press (CC). Rep. Porter Goss (R-Fla.) and Paul Redmond, former director for counterintelligence at the CIA, discuss Russian and Chinese espionage in the United States, and Sens. Paul Coverdell (R-Ga.), Chuck Hagel (R-Neb.) and Mitch McConnell (R-Ky.) and former senator Warren Rudman talk Campaign 2000 (Channel 4, 10:30 a.m.).

Face the Nation (CC). Secretary of State Madeleine Albright discusses foreign policy, and Hillary Clinton adviser Harold Ickes talks about his candidate's chances in the New York Senate race (Channel 9, 10:30 a.m.).

Lead Story interviews Democratic National Committee Chairman Ed Rendell (BET, 10:30 a.m. and 9 p.m.).

This Week With Sam Donaldson & Cokie Roberts (CC). National security adviser Sandy Berger and talks about foreign policy, and presidential candidates Alan Keyes, Gary Bauer and Sen. Orrin Hatch (R-Utah) review the last two GOP debates (Channel 7, 11:30 a.m.).

John McLaughlin's One on One interviews GOP presidential candidate Gary Bauer (Channel 4 at noon).

Late Edition With Wolf Blitzer (CC). Alan Keyes discusses his run for the presidency, and Ricardo Alarcon of the Cuban National Assembly and attorney Spencer Eig discuss the fate of the 6-year-old Cuban refugee (CNN at noon).

Both Sides With Jesse Jackson. The topic is the verdict in the Martin Luther King Jr. conspiracy trial (CNN, 5:30 p.m.).

Road to the White House features Sen. John McCain in New York City and Bill Bradley in Derry, N.H. (C-SPAN, 6:30 and 9:30 p.m.).

Booknotes. Michael Patrick MacDonald discusses "All Souls: A Family Story From Southie" (C-SPAN at 8 and 11 p.m.).

Cable Specials

Christmas in Washington (CC). Brendan Fraser hosts the annual bash from the National Building Museum; performances by B.B. King, Jewel, Chris Isaak, Christina Aguilera and 98 Degrees. One hour (TNT at 8).

In Search of Liberty Bell 7 chronicles the Discovery Channel-funded expedition to recover the Liberty Bell 7 space capsule from the Atlantic Ocean, where it sank in 1961. Two hours (Discovery Channel at 9).

Prime-Time Movies

Switching Goals (1999) (CC). Those adorable Olsen twins star as extreme opposites who switch places and learn some valuable lessons. Two hours (Channel 7 at 7).

The Lady in Question (1999) (CC). Gene Wilder reprises his role as theater director and sleuth "Cash" Carter. This time Cash investigates the murder of the wealthy aunt of an actress starring in his play. Two hours (A&E at 8).

Hefner: Unauthorized (1999) (CC) (USA Network at 8) is previewed by John Maynard on this page.

A Season for Miracles (1999) (CC). A devoted aunt rescues her niece and nephew from the clutches of their drug-addicted mother (Laura Dern) and moves to a magical town where wonderful things happen to wonderful people. Two hours (Channel 9 at 9).

Cable Series

Gilligan's Island: The E! True Hollywood Story (CC) (E! at 9) is previewed by Tom Shales on Page C1.

Newsmagazines

Dateline (CC) reports on a father and son's terrifying ride on their homemade plane (Channel 4 at 7).

60 Minutes (CC) talks to a military policy adviser who has come out against the "don't ask, don't tell" position on homosexuals in the armed forces (Channel 9 at 7).

Series

The Simpsons (CC) travel to Tokyo for a "Mega-Savings Seminar" (Channel 5 at 8).

Touched by an Angel (CC). Following her husband's murder, a woman returns to the bad neighborhood she worked so hard to flee and winds up at the home of her mother-in-law (Ruby Dee); Ossie Davis guests as a homeless man with a secret (Channel 9 at 8).

The X-Files (CC). Mulder and Scully investigate an unusually lucky man (Channel 5 at 9).

The Practice (CC). In defending a drug dealer, Bobby disgraces a medical examiner (Ed Begley Jr.) on the stand (Channel 7 at 10).