• Sci-Fi is showing Lost all night.
• At 8, ABC has the season premiere of The Bachelor, then the premiere of True Beauty.
• NBC has a new, two-hour Superstars of Dance at 8, followed by a new Momma's Boys.
• The CW has new episodes of Gossip Girl and One Tree Hill.
• PBS has a new Antiques Roadshow at 8.
• ABC Family has a new Secret Life of the American Teenager at 8.
• Also at 8: BBC America has a new Top Gear.
• At 8:15, FOX has The Tostito's Fiesta Bowl.
• At 8:30, Lifetime has a new Rita Rocks.
• At 9, USA has a new Monday Night RAW.
• At 10, Lifetime has the premiere of DietTribe.
• There's a new Diners, Drive-Ins, and Dives on Food Network at 10.

• At 7, ABC has Presidential debates from NH (Republicans at 7, followed by the Democrats).
• NBC has the Jaguars/Steelers playoff game at 8.
• At 9, FOX has a new America's Most Wanted.
• TLC has a new Flip That House at 9.
• CNBC has a new Suze Orman Show at 9.
• Also at 9: Cartoon Network has two new episodes of Naruto, followed by a new One Piece.
• At 10, CBS has a new 48 Hours Mystery.
• BBC America has a new Graham Norton Show, with Sharon Osbourne, David Boreanaz, and Stereophonics.

Check your local TV listings for more.