Saturday on TV
Xiaolin Showdown (9 a.m., Ch. 30): This entertaining new animated series is based on the ancient mythical Xiaolin martial arts inspired by Chinese monks thousands of years ago. Our hero is Omi, a naive young monk, who leads a team of warriors-in-training — Kimiko, a hipster girl; Raimundo, a street-smart Brazilian; and Clay, a Texas Kung Fu cowboy.
College football (10 a.m., ESPN): Utah at Air Force
NBA basketball (6:30 p.m., Ch. 14): Jazz at Mavericks
Phenomenon II (7 p.m., Ch. 4): This Disney telefilm is less a sequel to the 1996 John Travolta movie than it is a remake — albeit one with a happier ending.
Bringing Up Baby (7 p.m., Ch. 7): Classic 1938 screwball comedy. (Repeat)
The District (9 p.m., Ch. 2): A serial killer who has eluded capture since 1985 may be killing again.
L.A. Dragnet (9 p.m., Ch. 4): Friday is convinced two seemingly unrelated murders are related.
Trading Spaces (10 p.m., TLC): "Spaces" is an Americanization of the BBC series "Changing Rooms." Beginning tonight, we see the first of several "Spaces" featuring some of the Brits, including designers Lawrence Llewelyn-Bowen and Anna Ryder Richardson and carpenter "Handy" Andy Kane.
Saturday Night Live (10:30 p.m., Ch. 30): Kelly Ripa hosts.
Sunday on TV
NFL football: Colts at Dolphins (11 a.m., Ch. 2); Saints at Buccaneers (11 a.m., Ch. 13); Rams at 49ers (2:15 p.m., Ch. 13); Packers at Vikings (6:30 p.m., ESPN)
The Matrix (6 and 9 p.m., TBS): The 1999 original, accompanied by a behind-the-scenes look at the entire triology. (Repeat)
CBS at 75 (7 p.m., Ch. 2): How could any self-respecting TV fan NOT tune in (or at least tape) this look back at the long, illustrious history of the Tiffany Network? More than 100 stars — past and present — and clips galore highlight this three-hour "entertainment extravaganza" telecast live (tape-delayed here) from the Hammerstein Ballroom at New York's Manhattan Center.
King of the Hill (6:30 p.m., Ch. 13): Brad Pitt voices Boomhauer's hunky brother, and Laura Dern speaks for the woman who comes between them. (Eighth-season premiere)
Alias (8 p.m., Ch. 4): Syd faces off against the evil Francie.
Law & Order: Criminal Intent (8 p.m., Ch. 5): Undercover cops are murdered.
Masterpiece Theatre (8 p.m., Ch. 7): Keira Knightly ("Pirates of the Carribean") and Hans Metheson star in a two-part remake of "Doctor Zhivago." (Concludes next Sunday)
Malcolm In the Middle (8 p.m., Ch. 13): The family travels to Las Vegas, and Lois meets David Cassidy. (Fifth-season premiere)
Arrested Development (8:30 p.m., Ch. 13): Debut of this off-beat but very funny half-hour comedy about a man (Jason Bateman) who is forced to hold his wacko family and their development business together after his father (Jeffrey Tambor) is arrested for fraud.
The Practice (9 p.m., Ch. 4): Eugene's white-supremacist client goes on trial for murder.
Lyon's Den (9 p.m., Ch. 5): Singer Jewel guest stars as Jack's ex-fiancee and current adversary in court.