What's On Tonight: Nova, The Unit, Veronica Mars, Boston Legal

• At 8, ABC has a new, one-hour George Lopez, followed by new episodes of Dancing with the Stars and Boston Legal.
• CBS has a new NCIS at 8, then a new episode of The Unit.
• NBC has new episodes of Dateline, Law and Order: CI and Law and Order: SVU.
• FOX has a new American Idol at 8, then a new House.
• The CW has a new Gilmore Girls at 8, then a new Veronica Mars.
• There's a new Nova on PBS at 8, followed by a new Frontline.
• At 9, A&E has a new Dog The Bounty Hunter.
• At 9:30, Food Network has a new Road Tasted.
• At 10, FX has a new episode of The Shield.
• TLC has a new Miami Ink at 10.
• Bravo has a new Work Out at 10.
• Also at 10: Spike has a new ECW.

Check your local TV listings for more.