What's On Tonight: Jericho, Crossing Jordan, Mythbusters, Sherlock Holmes

• At 8, ABC has a new George Lopez.
• CBS has a new Jericho at 8.
• NBC has new episodes of Dateline, Crossing Jordan, and Medium.
• There's a new American Idol on FOX at 8, followed by the premiere of The Wedding Bells.
• The CW has a new America's Next Top Model at 8.
• TNT has an ER marathon starting at 8.
• At 9, HGTV has a new Design on a Dime.
• Discovery has a new Mythbusters at 9.
• More marathons: TCM has a Sherlock Holmes movie marathon starting at 9 (the ones with Basi Rathbone and Nigel Bruce).
• At 10, ABC has a new Lost.
• Food Network has a new Good Eats at 10, then a new Dinner: Impossible.
• Comedy Central has a new South Park at 10, then a new Sarah Silverman Program.

Check your local TV listings for more.