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

• Charlie Rose: Michael Kinsley and Jon Meacham
• The Late Show with David Letterman: Amy Poehler, Jason Segal, and Jordan Zevon
• Jay Leno: Tracey Ullman, Jason Taylor, and Flogging Molly
• Jimmy Kimmel Live: Charles Barkley, Judd Apatow, and Lyrics Born
• Tavis Smiley: Steve Coll and Jessica Quellar
• Late Night with Conan O'Brien: Martin Short, Ray Allen, and The Kooks (repeat)
• The Late, Late Show with Craig Ferguson: Kristin Bell, Oliver Hudson, and Liam Finn
• Last Call with Carson Daly: Perez Hilton, Sig & Edgar Hansen, and Katy Perry (repeat)

• At 8, PBS has a new NOW, then new episodes of Washington Week and Bill Moyers Journal.
• The CW has a new Smackdown! at 8.
• Sci-Fi has a new Sarah Jane Adventures at 8, followed by the season premiere of Doctor Who and a new Battlestar Galactica.
• TV Land has an I Love Lucy marathon starting at 8.
• At 9, ABC has a new Duel, followed by a new 20/20.
• NBC has a new, two hour Dateline at 9.
• There's a new Canterbury's Law at 9 on FOX.
• Cartoon Network has a new Ben 10: Alien Force at 9.
• At 10, E! has a new episode of The Soup.
• Spike has a new UFC Fight Night at 10.
• At 11, HBO has a new Real Time with Bill Maher, with guests Cornel West, Ayaan Hirsi Ali, Markos Moulitsas, and Jeremy Scahill.

Check your local TV listings for more.