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

• Charlie Rose: a discussion of the 40th Anniversary of Newline Cinema
• The Daily Show: John Goldsmith
• The Colbert Report: John Kao
• The Late Show With David Letterman: Nicolette Sheridan, Tony Snow, and Rihanna
• Jay Leno: John Larroquette, Eva Mendes, and Matchbox Twenty
• Jimmy Kimmel Live: Jamie Foxx, Chyler Leigh, and Soulja Boy
• Tavis Smiley: Phylicia Rashad
• Late Night With Conan O'Brien: Snoop Dogg, Connie Britton, and Bloc Party
• The Late, Late Show With Craig Ferguson: Anjelica Huston, Pat Monahan, and Cathy Ladman
• Last Call With Carson Daly: D.L. Hughley and New Found Glory

• At 8, NBC has a new My Name Is Earl, followed by the season premiere of 30 Rock (with Jerry Seinfeld) and new episodes of The Office (one hour again) and ER.
• ABC has a new Ugly Betty at 8, then new episodes of Grey's Anatomy and Big Shots.
• CBS has new episodes of Survivor, CSI, and Without A Trace.
• There's a new Are You Smarter Than A Fifth Grader on FOX at 8, then a new Don't Forget The Lyrics.
• The CW has a new Smallville at 8, then the season premiere of Supernatural.
• Also at 8: TCM has the original 12 Angry Men, then the original Fail Safe.
• TV Land has more of their I Love Lucy marathon all night.
• At 10, AMC has a new Mad Men.
• FX has two new episodes of It's Always Sunny In Philadelphia starting at 10.
• The season premiere of Law and Order: CI airs on USA at 10.
• At 10:30, Comedy Central has the season premiere of Drawn Together.

Check your local TV listings for more.