The Ellen DeGeneres Show
(3 p.m., NBC10) - Actress and fitness guru Jane Fonda; actress Rosemarie DeWitt.
The Oprah Winfrey Show (4 p.m., 6ABC) - Oprah returns to the site of a Nov. 16, 1987, town hall episode on AIDS.
The Mentalist (8 p.m., CBS3) - Patrick calls upon his keen observational powers as he tries to identify a woman with amnesia who steps in front of Van Pelt and Cho's car.
Supernanny (8 p.m., 6ABC) - Three-year-old Dylan rules the roost at his Oak View, Calif., home, with his frequent tantrums and flagrant disrespect of his parents. He even refuses to be potty-trained.
Smallville (8 p.m., CW57) - Civilians bearing a darkness tattoo attack the Green Arrow for being a superhero when he tries to stop a mugging.
Supernatural (9 p.m., CW57) - When Dean contacts Death in hopes of getting Sam's soul back, the Grim Reaper agrees to help if Dean will act as Death for 24 hours.
Blue Bloods (10 p.m., CBS3) - Frank Reagan mobilizes all of the New York Police Department in an attempt to find out who killed an off-duty cop during a diamond heist.
Late Show With David Letterman (11:35 p.m., CBS3) - Actress Reese Witherspoon; comic Colin Quinn.
The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Actor Matthew Morrison; Crystal Bowersox performs.
Jimmy Kimmel Live (12:06 a.m., 6ABC) - Ben Affleck; David Sedaris; Nicki Minaj performs.
The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Actor Neil Patrick Harris; musician Nellie McKay.