The major broadcast and cable news networks will provide live coverage of Pope Benedict XVI's inaugural Mass from the Vatican at 4 a.m. In addition, Washingtonpost.com will provide a live feed of the service that can be accessed at a later time.
NFL Football. Day 2 of the NFL Draft (ESPN at 11 a.m.).
Ryan Seacrest will host "American Top 40 Live," based on the radio countdown show, on Channel 5 at 8 p.m.
Baseball. Washington at New York Mets (Channel 20 at 1); Baltimore at Toronto (Channel 66 at 1); Oakland at Los Angeles Angels (ESPN at 8).
Golf. Final round of the Legends of Golf (Channel 7 at 1); final round of the Shell Houston Open (Channel 9 at 3).
Auto Racing. Grand Prix of San Marino (Channel 9 at 1).
NBA Playoffs. New Jersey at Miami (Channel 7 at 3); Washington at Chicago (CSN, 5:30); Denver at San Antonio (TNT at 8); Memphis at Phoenix (TNT, 10:30).
Fox News Sunday. Sens. Lindsey Graham (R-S.C.) and Richard Durbin (D-Ill.) debate the John Bolton nomination and the deadlock over federal judges, and Tony Perkins of the Family Research Council discusses the furor over the filibuster (Channel 5 at 9 a.m.).
This Week With George Stephanopoulos. Sens. Joseph Biden (D-Del.) and Jon Kyl (R-Ariz.) debate the John Bolton nomination and judicial appointments, and Michael Novak of the American Enterprise Institute and Southern Methodist University Professor Charles E. Curran talk about the future of the Catholic Church (Channel 7 at 9 a.m.).
Sunday Morning. The New York Times's R.W. Apple Jr. talks up his new travel guide, and an interview with William Shatner (Channel 9 at 9 a.m.).
Religion & Ethics Newsweekly. Reaction and analysis of the new pope (Channel 32, 9:30 a.m.).
The Chris Matthews Show. The panel speculates on the 2008 GOP presidential candidate; with Newsweek's Howard Fineman, Time's Andrew Sullivan, BBC's Katty Kay and NPR's Michele Norris (Channel 4 at 10 a.m.).
Think Tank. The Washington Post's Michael Dirda talks about his book "Bound to Please: An Extraordinary One-Volume Literary Education" (Channel 26 at 10 a.m.).
On the Story. Topics are House Majority Leader Tom DeLay's fate, Fed Chairman Alan Greenspan's warnings and John Bolton's nomination (CNN at 10 a.m.).
Meet the Press. A panel discussion on the new pope with the Revs. Thomas Bohlin and Joseph Fessio, First Things editor Joseph Bottum, author Thomas Cahill, The Washington Post's E.J. Dionne, Newsweek's Jon Meacham and Sister Mary Aquin O'Neill (Channel 4, 10:30 a.m.).