The Ellen DeGeneres Show (3 p.m., NBC10) - Taylor Swift performs.
One Tree Hill (8 p.m., CW57) - Brooke and Julian get a surprise visitor.
NCIS: Los Angeles (9 p.m., CBS3) - A classified Pentagon document is uploaded to a blog site.
Frontline (9 p.m., WHYY TV12) - A N.J. doctor seeks out tough cases in an effort to bring medical costs down.
Hellcats (9 p.m., CW57) - The Hellcats and the girls volleyball team compete in an intense game of flag football.
The Nine Lives of Chloe King (9 p.m., FAM) - Chloe is told that even though she has nine lives, each time she loses one it will hurt more than the last.
Memphis Beat (9 p.m., TNT) - Distraught dad's daughter goes missing.
White Collar (9 p.m., USA) - Neal and Peter use a scam to prevent a mob war.
Combat Hospital (10 p.m., 6ABC) - An Afghan soldier has a contagious and drug-resistant bacterial infection.
Covert Affairs (10 p.m., USA) - Annie and a spy are on the run, one step ahead of the law and a would-be assassin.
Daily Show With Jon Stewart (11 p.m., COM) - Louis C.K.
Conan (11 p.m., TBS) Elijah Wood; Leslie Bibb; Gillian Welch.
Late Show With David Letterman (11:35 p.m., CBS3) - Tom Hanks; Sleepy Man Banjo Boys perform.
The Tonight Show With Jay Leno (11:50 p.m., NBC10) - Blake Lively; Blake Shelton; Scotty McCreery performs.
Jimmy Kimmel Live (Midnight, 6ABC) - Jason Bateman; Dhani Jones; Hannibal Buress.
Lopez Tonight (Midnight, TBS) - Comic Andy Richter; Eliza Doolittle performs.
The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Paris Hilton; author Neil Gaiman.
