Grace and Jessie compete for a role in the school play on Once and Again (10 p.m. Fri., ABC). Lara Flynn Boyle hosts a rerun of Saturday Night Live (11:30 p.m. Sat., NBC), with music from Bon Jovi. E! True Hollywood Story (8 p.m. Sun., E!) looks at the ups and downs of the Spice Girls. Tony becomes suspicious of Pussy on The Sopranos (8 p.m. Sun., HBO). On Alias (9 p.m. Sun., ABC), Sydney simultaneously tracks a terrorist and spies on Francie's boyfriend. Patricia Wettig ("thirtysomething") guests as a reclusive star witness on The Practice (10 p.m. Sun., ABC).
The four-hour Concert for New York City (8 p.m. Sat., VH1) benefits the victims and honors the rescuers of the Sept. 11 attack. Paul McCartney, the Who, Eric Clapton, Billy Joel, Macy Gray, James Taylor, Jerry Seinfeld, Chris Rock, Gwyneth Paltrow, Susan Sarandon and Denis Leary are among the performers and hosts. The new cable movie In the Time of the Butterflies (8 p.m. Sun., Showtime) stars Salma Hayek, Edward James Olmos and Marc Anthony in an adaptation of the bestseller about sisters who fought against the Trujillo dictatorship in the Dominican Republic. Laura San Giacomo has the title role in the new TV movie Jenifer (9 p.m. Sun., CBS), the true story of a young woman diagnosed with Lou Gehrig's disease and her devoted sisters (Annabella Sciorra, Jane Kaczmarek), who went on a fund-raising tear to help find a cure. The two-part cable drama Victoria and Albert (9 p.m. Sun., A&E) stars Victoria Hamilton and Jonathan Firth as the royal couple, Queen Victoria and Prince Albert. Diana Rigg and Jonathan Pryce co-star.
NLCS, Game 3 (8 p.m. Fri., Fox); Game 4 (7:30 p.m. Sat., Fox); Game 5, if necessary (7:30 p.m. Sun., Fox or Fox Sports)
ALCS, Game 3 (4 p.m. Sat., Fox); Game 4 (7:30 p.m. Sun., Fox or Fox Sports
Patriots at Colts, Ravens at Browns, Titans at Lions or Steelers at Buccaneers (1 p.m. Sun., CBS)
Rams at Jets, Falcons at Saints, Bears at Bengals or Panthers at Redskins (1 p.m. Sun., Fox)
Broncos at Chargers or Chiefs at Cardinals (4 p.m. Sun., CBS)
David Letterman (CBS) Kevin Kline, Caroline Rhea, Richard Holbrooke
Jay Leno (NBC) Kevin Spacey, Bjork
Politically Incorrect (ABC) Bill O'Reilly, P.J. O'Rourke
Conan O'Brien (NBC) Steve Zahn
Craig Kilborn (CBS) Jacinda Barrett
All times Eastern unless noted.