Jason's father, Floyd, brings a lawsuit against Jason and Richard for taking his clients. Floyd also reveals that Jason and Lorelai have been dating secretly for months. Meanwhile, Dean upsets Rory when he admits he has dropped out of college to work full time.

Cate banishes C.J. and grounds Bridget for going to C.J'.s college keg party; Jim has to take a written drivers exam after being pulled over with an expired license.

The 7 Idols compete to stay in the competition. This week's theme: music of Barry Manilow.
Preforming tonight: Fantasia Barrino, Diana DeGarmo, LaToya London, John Stevens, Jasmine Trias, George Huff, and Jennifer Hudson.

J.D. hooks up with Danni again, after Sean returns, but he can't forget about his passionate night with Elliot.

Meanwhile, Dr. Cox realizes, that he might actually have a crush on the one doctor he loathes.

Jack reluctantly works with Kim on an undercover job that may help them gain an advantage over Saunders.
Palmer informs his cabinet of the crisis, while Saunders makes yet another demand.
Chase tracks down the man who left the hotel and learns that the virus is spreading to the general public.

NOVA investigates forces that are radically changing populations in both rich and poor nations, and explores how to create a world that can sustain the human race.

Nova investigates the impact of forces that are radically changing populations in both rich and poor nations.

Lucas finds out that Brooke is with child and must make a decision regarding the pregnancy. Brooke gives Lucas the cold shoulder regarding the situation. Meanwhile, Haley considers giving her virginity to Nathan.

In attempt to woo Charlotte away from her current boyfriend, Frank, Frasier begins spending a great deal of time with the two of them. However, all of Frasier's efforts to impress Charlotte end up leading him to bond with Frank.

When it becomes obvious that a forensics expert raped and murdered a student, the investigation focuses on a criminology professor Cragen arrested decades earlier for similar crimes, and it's up to Cragen and his team to discover if the professor is the perpetrator or the victim of a bitter rival, a disappearing alibi witness, a corrupt businessman, and ultimately, Cragen's rush to judgment.

When Vic and the Strike Team fall short of discovering which bills from the money train are marked, there is only one option left - to steal the safe, which contains the list of marked money, from Aceveda's office. The scheme gets interrupted when one of Vic's open cases, which involves a missing girl, is suddenly linked to a Narco Corrido song. The discovery of Narco Corridos, (popular songs in Mexico that depict crimes that have actually happened), gives Vic the blueprints behind several crimes. He must now work with Dutch and Claudette to find the singer and finally close his case. With the help of the Decoy Squad, they finally find the missing girl at her boyfriend's house where she has been hiding out. Meanwhile Claudette takes down a meth lab that is using illegal immigrant women as slave labor. While investigating the crime described in one of the songs, Vic comes face to face with an old fling and sparks fly. Danny and Julien are docked for going off the grid on the Tommy case and are forced to handle the annual inventory that creates some trouble for Dutch when a laptop is missing. David pays a late night visit to his cousin, Rigo's, house. He confesses to Rigo about the rape and Rigo recommends that there is only one way to take care of the problem.

Coming Soon...

Guest: Mark Ruffalo (13 Going On 30)

Segments: New Bob Woodward Book Causes Controversy

Back in Black (Quentin Tarantino, Sharon Stone, Bob Dylan Appearances)