The Ellen DeGeneres Show

(3 p.m., NBC10) -

Simon Cowell; Zachary Quinto; the Black Eyed Peas perform.

Oprah Winfrey (4 p.m., 6ABC) - Dr. Oz reveals his ultimate health checklist.

House (8 p.m., Fox 29) - A joyless widower has been having unexplained blackouts.

Wedding Day (8 p.m., TNT) - In this new series, people in need get help making wedding dreams come true.

Frontline (9 p.m., WHYY TV12) - "Breaking the Bank." Producer Michael Kirk attempts to untangle how things went so wrong so quickly by focusing on Bank of America.

Mental (9 p.m., Fox 29) - An 8-year-old bipolar boy obsessed with a video game that exists only in his imagination attempts suicide.

HawthoRNe (9 p.m., TNT) - Christina Hawthorne (Jada Pinkett Smith), the chief nursing officer at a busy hospital, fights for her patients and helps the doctors, administrators and her fellow nurses keep their priorities straight.

Saving Grace (10 p.m., TNT) - Holly Hunter plays Grace Hanadarko, a police detective with a troubled past in the third-season premiere.

Late Show With David Letterman (11:35 p.m., CBS3) - Michelle Pfeiffer; Ian McLagan performs with the Bump Band.

The Tonight Show With Conan O'Brien (11:35 p.m., NBC10) - Larry David; Lauren Conrad; Gavin Rossdale performs.

Jimmy Kimmel Live (12:36 a.m., 6ABC) - Ty Pennington; author David Sedaris; the Jonas Brothers perform.

The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Comic Jeff Foxworthy; Gavin DeGraw performs.

Late Night With Jimmy Fallon (12:37 a.m., NBC10) - Horatio Sanz; Selena Gomez; Hank Williams Jr. performs.