What's On Tonight: George Lopez, Nova, The Shield

• At 8, ABC has two new episodes of George Lopez, followed by new episodes of Dancing with the Stars and Boston Legal.
• CBS has a new NCIS at 8, then a new The Unit.
• NBC has a new Dateline at 8.
• There's a new American Idol on FOX at 8, then a new House.
• PBS has a new Nova at 8, followed by a new Frontline.
• The CW has new episodes of Gilmore Girls and Pussycat Dolls Present.
• At 10, TLC has a new Miami Ink.
• Food Network has a new Rachael Ray's Tasty Travels at 10.
• Sci-Fi has a new ECW at 10.
• FX has a new ep of The Shield at 10.
• Also at 10: Bravo has a new Work Out.

Check your local TV listings for more.