Women's NCAA Tournament (CC). First-round games all day on ESPN and ESPN2, including George Washington vs. Oklahoma on ESPN at approx. 9:40 p.m.
Men's NCAA Tournament (CC). Four second-round games (Channel 9, beginning at noon).
Auto Racing (CC). The Food City 500 from Tennessee's Bristol Motor Speedway (Channel 5, 12:30); the Phoenix Indy 200 (Channel 7, 3:30).
NBA Basketball. L.A. Lakers at San Antonio (Channel 7 at 1); Washington at Golden State (Channel 50 at 9).
Exhibition Baseball. Baltimore vs. Montreal (CSN at 1).
Golf (CC). Final round of the PGA Bay Hill Invitational (Channel 4, 2:30).
Hockey. Washington at Vancouver (CSN at 10).
Fox News Sunday (CC) reports on the war; with Gen. Richard Myers, chairman of the Joint Chiefs of Staff, and Rep. Richard Gephardt (D-Mo.) (Channel 5 at 9 a.m.).
The Chris Matthews Show discusses the war with ABC's Sam Donaldson, David Brooks of the Weekly Standard, BBC's Katty Kay and Raghida Dergham of the Arabic-language newspaper Al-Hayat (Channel 4 at 10 a.m.).
Meet the Press (CC) interviews Defense Secretary Donald Rumsfeld (Channel 4, 10:30 a.m.).
Face the Nation (CC). A one-hour war edition with Rumsfeld, Sens. John McCain (R-Ariz.) and Joseph Biden (D-Del.) and former CIA profiler Jerrold Post (Channel 9, 10:30 a.m.).
This Week With George Stephanopoulos (CC). Gen. Richard Myers assesses the war (Channel 7, 11:30 a.m.).
Late Edition With Wolf Blitzer (CC) interviews Rumsfeld and Sens. Biden and Richard Lugar (R-Ind.) (CNN at noon).
Capital Sunday With Kathleen Matthews. Former secretary of state Lawrence Eagleburger talks about the future of Iraq (Channel 7, 5:30).
Booknotes interviews Bernard Bailyn on "To Begin the World Anew: The Genius and Ambiguities of the American Founders" (C-SPAN at 8 and 11).
John McLaughlin's One on One. The topic is a new international order; with Hisham Melhem of the Lebanese newspaper Al-Safir, Andrei Sitov of the Itar-Tass news agency and Rudiger Lentz of Deutsche Welle Radio & TV (NewsChannel 8 at 9).
America's Black Forum looks at international opinion of the war; with Time magazine's Michael Weisskopf and George Curry of the National Newspaper Publishers Association (Channel 9, 1:35 a.m.).
The Academy Awards (CC). Steve Martin hosts the 75th annual ceremony live from Hollywood. Four, maybe five hours (Channel 7, 8:30). Preceded at 8 by a toned-down arrivals show and, yes, Joan and Melissa Rivers begin their annual pre-ceremony commentary at 6 p.m. on E!
Great Waterparks: Schlitterbahn kicks off the network's "Great Family Vacations Week" with a tour of the popular Texas water park (Travel Channel at 8).
Masterpiece Theatre: Song of the Lark (CC) (R) adapts Willa Cather's story about a woman who escapes rural Colorado to become a world-famous opera singer (Channel 26 at 9).
The Lost World: Jurassic Park 2 (1997) (CC) (R). A scientist (Jeff Goldblum) and his girlfriend (Julianne Moore) discover a second island full of genetically engineered dinos. Three hours (Channel 5 at 7).
Billy Madison (1995) (CC) (R). Adam Sandler stars as a 27-year-old man who must repeat grades 1 through 12 to take over his father's million-dollar business. Two hours (Channel 4 at 9).
The Making of Fear Factor (CC). Tony Potts of "Access Hollywood" goes behind the scenes of the gross-out reality show (Channel 4 at 7, followed by a repeat episode of "Fear Factor").