Here's who's on the late night shows tonight.

• Charlie Rose: a discussion with the National Teachers of the Year
• The Daily Show: James Harding (repeat)
• The Colbert Report: Barbara Ehrenreich (repeat)
• The Late Show with David Letterman: Paris Hilton, Steve Wyrick, and Panic at the Disco (repeat)
• Jay Leno: Kathy Griffin, Adam Carolla, Willie Nelson, and Wynton Marsalis
• Jimmy Kimmel Live: Regis Philbin, Sharon Osbourne, and Lil' Wayne (repeat)
• Tavis Smiley: Helen Hunt and Majora Carter (repeat)
• Late Night with Conan O'Brien: Al Roker, Paul Pierce, and Pilobolus
• The Late, Late Show with Craig Ferguson: Valerie Bertinelli, Paulina Porizkova, and Estelle (repeat)
• Last Call with Carson Daly: Aviva Yael and The Game (repeat)

• At 8, CBS has the premiere of Greatest American Dog.
• TLC has two new episodes of Monster Garage at 8, then a new American Chopper.
• Versus has more coverage of the Tour de France at 8.
• There's a new Chowder on Cartoon Network at 9, followed by new episodes of The Marvelous Misadventures of Flapjack and Total Drama Island.
• At 9, NBC has a new, two hour Last Comic Standing.
• TBS has a new Bill Engvall Show at 9, followed by a new My Boys.
• History Channel has a new Modern Marvels at 9, then a new episode of The Works.
• Hallmark has the new movie A Gunfighter's Pledge at 9.
• At 10, CBS has a new Swingtown.
• ABC has a new Hopkins at 10.
• USA has the season premiere of Burn Notice at 10.
• Also at 10: Bravo has a new Kathy Griffin: My Life on the D-List.

Check your local TV listings for more.