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

• Charlie Rose: another installment of The Charlie Rose Science Series
• The Daily Show: Michael Gerson
• The Colbert Report: Richard Berman
• The Late Show With David Letterman: Jerry Seinfeld and Joe Torre
• Jay Leno: Russell Crowe, Carrie Underwood, and Jenna Bush
• Jimmy Kimmel Live: Sarah Silverman, Balthazar Getty, Wayne Newton, and Justice (repeat)
• Tavis Smiley: General Wesley Clark and Lyle Lovett
• Late Night With Conan O'Brien: Charles Barkley, Billy Baldwin, and Seether
• The Late, Late Show With Craig Ferguson: Kristin Chenoweth, Clive Barker, and James Jonah
• Last Call With Carson Daly: Jerry Stiller and Paolo Nutini (repeat)

• At 8, ABC has a new Dancing with the Stars at 8, followed by new episodes of Samantha Who? and The Bachelor.
• CBS has new episodes of How I Met Your Mother, Big Bang Theory, Two and a Half Men, Rules of Engagement, and CSI: Miami.
• There's a new Chuck on NBC at 8, then new episodes of Heroes and Journeyman.
• The CW has a new Everybody Hates Chris at 8, followed by new episodes of Aliens in America, Girlfriends, and The Game.
• At 9, PBS has a new American Masters, profiling Charles Schulz.
• USA has a new Monday Night RAW at 9.
• At 10, Food Network has a new Diners, Drive-Ins and Dives, then a new The Secret Life Of...
• Showtime has a new Weeds at 10, followed by the season finale of Californication.

Check your local TV listings for more.