What's On Tonight: NCIS, House, Nova, The Shield

• At 8, CBS has a new NCIS, followed by a new episode of The Unit.
• NBC has a new Dateline at 8, then new episodes of Law and Order: CI and Law and Order: SVU.
• FOX has a new American Idol at 8, then a new House.
• PBS has a new Nova at 8, then a new Frontline.
• Also at 8: G4 has a new X-Play.
• At 9, ABC has a new Dancing with the Stars, followed by a new Boston Legal.
• The CW has a new Pussycat Dolls Present at 9.
• There's a new Deadliest Catch on Discovery at 9.
• The Travel Channel has a new John Ratzenberger's America. It's on at 9 too.
• At 10, TLC has a new Miami Ink.
• A&E has two new episodes of Driving Force at 10.
• FX has a new ep of The Shield at 10.
• Bravo has a new Work Out at 10.
• At 10:30, Food Network has a new Rachael Ray's Tasty Travels.

Check your local TV listings for more.