• At 8, FOX has a new, two-hour American Idol.
• ABC has a new Just For Laughs at 8.
• NBC has a new, two-hour Biggest Loser at 8.
• There's a new Nova at 8 on PBS.
• Also at 8: G4 has a new X-Play.
• At 9, ABC has a new According To Jim, then new episodes of Carpoolers and Boston Legal.
• CBS has the season premiere of Big Brother at 9.
• The CW has a new One Tree Hill at 9.
• At 9:30, HBO has a new In Treatment.
• At 10, CBS has the season premiere of Jericho.
• FX has a new Nip/Tuck at 10.
• Sci-Fi has a new ECW at 10.

Check your local TV listings for more.