The Ellen DeGeneres Show

(3 p.m., NBC10) - Actor Brad Pitt discusses the ongoing rebuilding efforts in New Orleans; Keane performs; scientist Lisa Suatoni discusses the environmental problems facing our oceans.

Criminal Minds (9 p.m., CBS3) - David (Joe Mantegna) and the BAU suspect a member of an affluent community in Atlanta is responsible for the disappearance of a young resident and that the suspect may have worked with an accomplice in "Soul Mates."

CSI: NY (10 p.m., CBS3) - Finding a nice place to live in the New York metropolitan area can be a challenge. Just ask the CSIs. In this episode, Mac (Gary Sinise) and the team investigate the brutal murder of a house relocator who was found dead inside a Victorian that was being barged from Staten Island to the Upper East Side.

Law & Order (10 p.m., NBC10) - While investigating the murder of a TV reporter, Detectives Lupo and Bernard (Jeremy Sisto, Anthony Anderson) learn that she was involved in a love triangle, a discovery that leads them in turn to veteran anchor Joe Delaney (guest star David Rasche), who may have hacked into the e-mail of his younger, more successful co-workers to gain an advantage over them.

Late Show With David Letterman (11:35 p.m., CBS3) - Actor Ryan Reynolds.

The Tonight Show With Conan O'Brien (11:35 p.m., NBC10) - Actor William Shatner; actor Christopher Mintz-Plasse; Incubus performs.

Jimmy Kimmel Live (12:06 a.m., 6ABC) - Comic Roseanne Barr; actor Ryan Kwanten.

The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Actress Julia Ormond; astronomer Derrick Pitts.

Late Night With Jimmy Fallon (12:37 a.m., NBC10) - TV personality Al Roker; Street Sweeper Social Club performs.