Here's who's sitting down on the couch on the late night shows tonight.

• Charlie Rose: Alan Alda and Nicholas Burns
• The Daily Show: Jack Cafferty
• The Colbert Report: Charlie Savage
• The Late Show With David Letterman: Sean Penn, Barry Sonnenfeld, and Ben Harper
• Jay Leno: Patricia Heaton, Emeril Lagasse, and Tori Amos
• Jimmy Kimmel Live: Amy Brenneman, Harry Shearer, and Tom Ruprecht (repeat)
• Tavis Smiley: a discussion of Supreme Court Justice Clarence Thomas' new book
• Late Night With Conan O'Brien: Jerry O'Connell and Ken Burns
• The Late, Late Show With Craig Ferguson: David Boreanaz and Juliette Lewis
• Last Call With Carson Daly: Dita Von Teese and Clay Walker (repeat)

• At 8, CBS has a new How I Met Your Mother, then new episodes of Big Bang Theory, Two and a Half Men, Rules of Engagement, and CSI: Miami.
• ABC has a new Dancing with the Stars at 8, then a new episode of The Bachelor.
• NBC has a new Chuck, followed by new episodes of Heroes and Journeyman.
• FOX has a new Prison Break at 8, then a new K-Ville.
• The CW has the season premire of Everybody Hates Chris at 8, then the series premiere of Aliens in America and the season premieres of Girlfriends and The Game.
• PBS has another installment of The War at 8.
• History Channel has a new Modern Marvels at 8.
• At 8:30, ESPN has the Patriots/Bengals game.
• At 9, USA has a new Monday Night RAW.
• There's a new Unwrapped on Food Network at 9.
• At 10, MTV has a new episode of The Hills.
• Food Network has a new Diners, Drive-In, and Dives at 10.
• Also at 10: Showtime has a new Weeds, then a new Californication.
• At 10:30, HGTV has a new Living with Ed.
• At 11, USA has the series premiere of Dr. Steve-O.

Check your local TV listings for more.