So Weird (6 p.m., Disney): This episode starts a new show with some major changes — Fi (Cara DiLizea), who has heretofore been the show's main character, is written out (she's moving in with an aunt), and young Annie (Alexzandra Johnson), an aspiring singer, takes over investigating paranormal phenomena.
Big Brother (7 p.m., Ch. 2): The voyeurism continues . . .
King of Queens (7:30 p.m., Ch. 2): Doug has to take Arthur to a Mets game. (Repeat)
Utah Football Preview (7 p.m., Ch. 14): A look ahead at the Utes' season.
Everybody Loves Raymond (8 p.m., Ch. 2): Debra is in a particularly amorous mood. (Repeat)
Law & Order (8 p.m., Ch. 5): A murder investigation leads to an illegal immigration ring. (Repeat)
Great Performances (8 p.m., Ch. 7): Verdi's opera "La Traviata," performed in Italian with English subtitles.
Ally McBeal (8 p.m., Ch. 13): Bobby Donnell (Dylan McDermott) of "The Practice" comes to Ally for help on a case. (Repeat)
Roswell (8 p.m., Ch. 30): The FBI is hunting for aliens. (Repeat)
Becker (8:30 p.m., Ch. 2): John saves a woman's life but is troubled by her unending gratitude. (Repeat)
The Story of the American Football League (8 p.m., HBO): A look back at the upstart league.
Family Law (9 p.m., Ch. 2): The parents of a teenage murderer are sued by the parents of his victim. (Repeat)