(5-8:30 p.m., 6ABC) - The Bowl Championship Series begins with the traditional Pac-10/Big 10 matchup in Pasadena, Calif. For the fourth time in five years, Southern California gets to play close to home after quarterback John David Booty, tight end Fred Davis and a great defense led the Trojans to the Pac-10 title. That "D," especially its great linebackers, will be charged with containing Illinois QB Juice Williams, running back Rashard Mendenhall and the Illini's explosive spread offense.
The Biggest Loser: Couples
(8-10 p.m., NBC10) - Double your pleasure, double your fun, double your weight loss. For season five, the competition series takes a page from
The Amazing Race
, making it a contest of two-person teams - spouses, friends, siblings, even exes - instead of individuals. In the premiere, the contestants must pull a hot-air balloon across a field, with a 2-pound advantage as the prize. Alison Sweeney hosts.
(8-9:30 p.m., WHYY TV12) - "From Vienna: The New Year's Celebration" marks the 24th New Year's Day presentation of the Vienna Philharmonic from its hometown's gorgeous Musikverein. Georges Pretre conducts the orchestra in the ever-popular Strauss waltzes. Vienna State Opera Ballet dancers and the famous Lippizaner horses move to the music. Walter Cronkite returns as host.