The 15 hopefuls perform at an industry showcase, and five more get the boot on Popstars (8:30 p.m. Fri., WB). On Law & Order: Special Victims Unit (10 p.m. Fri., NBC), Benson and Stabler investigate a homicide involving a pedophile from a past case. Eric Roberts guests. Susan Sarandon and Seth Green get silly on Mad TV (11 p.m. Sat., Fox). Jennifer Lopez hosts Saturday Night Live (11:30 p.m. Sat., NBC); she also sings. Will Puffy be there? Bill has a new lady — former Texas Gov. Ann Richards — on King of the Hill (7:30 p.m. Sun., Fox). The Williams sisters, Pete Sampras and Andre Agassi line up to play on Homer’s new tennis court on The Simpsons (8 p.m. Sun., Fox). Lois’ parents (Cloris Leachman, Robert Loggia) come for a hellish visit on Malcolm in the Middle (8:30 p.m. Sun., Fox). Who Wants to Be a Millionaire (9 p.m. Sun., ABC) starts a two-night charity event with pop singers in the hot seat. Contestants include Backstreet Boy Kevin Richardson, Kiss’ Gene Simmons and Dixie Chick Emily Robison. Scully and Doggett go to Boston to investigate a subway monster on The X-Files (9 p.m. Sun., Fox). Jason Priestley appears as himself — and a member of Sex Addicts Anonymous — on Grosse Pointe (9:30 p.m. Sun., WB). The Practice (10 p.m. Sun., ABC) has the inevitable crossover episode with “Boston Public”; it continues in the “Public” slot Monday night.
Lisa Ling hosts 20 Teens Who Will Change the World (8 p.m. Fri., WB). Not watching the Dubba Dubba on Friday nights, they won’t! The two-hour documentary The American Wedding (8 p.m. Sun., A&E) examines marriage traditions old and new. Jim Carrey’s 1998 blockbuster The Truman Show (9 p.m. Sun., NBC) has its first network airing. A guy is on TV 24 hours a day. Imagine that! Natasha Richardson stars in the new TV movie Haven (9 p.m. Sun., CBS), the true story of Ruth Gruber, a Jewish journalist and U.S. government official who fought American anti-Semitism to bring 1,000 Nazi death camp survivors to safety in the United States.
Rangers at Panthers (8 p.m. Fri., ESPN)
Devils at Penguins (3 p.m. Sat., ESPN2)
Blues at Avalanche (8:30 p.m. Sat., ESPN2)
Blues at Stars (8 p.m. Sun., ESPN)
NBA All-Star Game (6:30 p.m. Sun., NBC)
Rosie O’Donnell (syndicated) Shirley MacLaine, Matchbox 20
David Letterman (CBS) David Boreanaz
Jay Leno (NBC) Pamela Anderson, Cedric the Entertainer
Dennis Miller (HBO) Gary Oldman
Politically Incorrect (ABC) Catherine Crier, Jay Thomas
Conan O’Brien (NBC) Rachel Dratch
All times Eastern unless noted.