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

• Charlie Rose: a discussion about the Oscars
• The Late Show with David Letterman: Diddy and Al Lubel
• Jay Leno: Bill O'Reilly, Patricia Arquette, and Herbie Hancock
• Jimmy Kimmel Live: Damon Wayans, Sam Champion, and Colbie Calliat
• Tavis Smiley: Jacob Weisberg and Jamia Simone Nash
• Late Night with Conan O'Brien: Nathan Lane, Michel Gondry, and Secondhand Serenade
• The Late, Late Show with Craig Ferguson: Fred Willard, Rachel Bilson, and Steve Mazan
• Last Call with Carson Daly: Ivana Milicevic, John Popper, Jon Spencer, and Shooter Jennings

• At 8, CBS has a new Price is Right Million Dollar Spectacular.
• NBC has a new 1 vs. 100 at 8, then the series premiere of Amnesia and a new Dateline.
• 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.
• At 9, USA has the season finale of Monk.
• At 9:30, HBO has a new In Treatment.
• At 10, Comedy Central has a new Comedy Central Presents.
• Sci-Fi has a new Stargate Atlantis at 10.
• At 11, HBO has a new Real Time with Bill Maher.

Check your local TV listings for more.