The Ellen DeGeneres Show
(3 p.m., NBC10) - Paris Hilton discusses her new fragrance; author Lewis Blackwell.
Oprah Winfrey (4 p.m., 6ABC) - Oprah interviews Daniel Day-Lewis, Nicole Kidman, Penelope Cruz, Marion Cotillard, and Kate Hudson.
Entertainment Tonight (7 p.m., CBS3) - The biggest shockers in Hollywood; the New York premiere of Nine.
The New Adventures of Old Christine (8 p.m., CBS3) - Christine (Julia Louis-Dreyfus) reluctantly attends her neighbor's (guest star Molly Shannon) holiday block party.
The Middle (8:30 p.m., 6ABC) - When Brick's (Atticus Shaffer) teachers determine that he is "socially challenged," Mike (Neil Flynn) involves the boy in various activities, eventually settling on the block-party lawn-mower contest.
Cougar Town (9:30 p.m., 6ABC) - Jules (Courteney Cox) is determined to get Grayson (Josh Hopkins) to tell her she is sexy.
The Jay Leno Show (10 p.m., NBC10) - Sigourney Weaver; John Mayer performs; Mikey Day.
Late Show With David Letterman (11:35 p.m., CBS3) - Actor Robert Downey Jr.; Kris Allen performs.
The Tonight Show With Conan O'Brien (11:35 p.m., NBC10) - TV show host Wanda Sykes; director James Cameron; comic Myq Kaplan.
Jimmy Kimmel Live (12:06 a.m., 6ABC) - Ty Pennington; Joshua McCarthy; Norah Jones.
The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Author Bob Barker; journalist Greta Van Susteren.