TV Today

The Ellen DeGeneres Show

(3 p.m., NBC10) - Actress Alyson Hannigan;

Dancing With the Stars

contestants Mya and Dmitry Chaplin.

Oprah Winfrey (4 p.m., 6ABC) - Comic Wanda Sykes discusses her new show.

Supernanny (8 p.m., 6ABC) - Jo Frost has a sticky case on her hands in the season premiere: a blended family in which the dad, Jason, dotes on his biological sons, doing everything for them so they aren't learning to do for themselves. Worse, he's hostile to his new adopted daughter.

Law & Order (8 p.m., NBC10) - The detectives (Jeremy Sisto, Anthony Anderson) investigate the murder of a doctor known for performing late-term abortions.

Smallville (8 p.m., CW57) - Roulette (guest star Steph Song), another DC Comics character, drugs and kidnaps Oliver (Justin Hartley) after telling him he is involved in a dangerous game that will require him to fight for his life.

The Jay Leno Show (10 p.m., NBC10) - Michelle Obama; actor Colin Firth; correspondent Ross Matthews.

Late Show With David Letterman (11:35 p.m., CBS3) - Actress Amy Poehler; comic Nick Griffin; Judy Collins performs.

The Tonight Show With Conan O'Brien (11:35 p.m., NBC10) - Actor Robin Williams; TV personality Piers Morgan; All Time Low performs.

Jimmy Kimmel Live (12:06 a.m., 6ABC) - Former NFL player Terry Bradshaw; actress Catherine Keener; Echo and the Bunnymen perform.

The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Actress Julia Louis-Dreyfus; the Avett Brothers perform.

Late Night With Jimmy Fallon (12:37 a.m., NBC10) - Actress Kristen Wiig; pitcher David Wells; Christopher Cross performs.