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

• Charlie Rose: Former President Bill Clinton (will probably change because of events in NH today)
• The Late Show with David Letterman: Former Vice President Al Gore and Jim Short (repeat)
• Jay Leno: Johnny Depp, David Hasselhoff, and George Wallace (repeat)
• Jimmy Kimmel Live: TBA (repeat)
• Tavis Smiley: Shirley MacLaine
• Late Night with Conan O'Brien: Tina Fey, Kenneth Branagh, and Ani DiFranco (repeat)
• The Late, Late Show with Craig Ferguson: John Waters, Alex Borstein, and Plain White Ts (repeat)
• Last Call with Carson Daly: David Arquette and Regina Spektor (repeat)

• At 8, FOX has a new Next Great American Band, followed by a new Don't Forget The Lyrics.
• CBS has My Night at the Grammys at 8.
• NBC has new episodes of Deal or No Deal, Friday Night Lights, and Las Vegas.
• PBS has a new NOW at 8, followed by new episodes of Washington Week, and Bill Moyers Journal.
• There's a new Smackdown! on The CW at 8.
• Also at 8: Sci-Fi has a new Flash Gordon.
• At 9, Discovery has a new Man vs. Wild.
• At 10, ABC has a new 20/20.
• Sci-Fi has a new Stargate Atlantis at 10.
• E! has a new episode of The Soup at 10.
• At 10:30, Food Network has a new Giada's Weekend Getaways.

Check your local TV listings for more.