At Friday night dinner, Lorelai finally decides to tell her parents that her marriage to Christopher has fallen apart, but doesn't get a chance to when an argument breaks out over Emily's new healthy, no-alcohol meals to help Richard recover from his heart attack. Lorelai gets Sookie to cook healthy and tasteful meals for Richard and Lorelai helps Emily with Richard's various business affairs. While helping her mother, Lorelai finally admits to Emily that her marriage to Christopher is over. Meanwhile, Rory attends Logan's birthday dinner and has an awkward encounter with Mitchum who asks Rory to keep Logan on track. Logan later receives disturbing news about an online company he recently purchased. Elsewhere, T.J., Liz, and the baby stay with Luke while their house is fumigated.

When a Navy Lieutenant becomes the victim of radiation poisoning, the NCIS team must find the person who's behind the crime. The Lieutenant, who is working for the IAEA (International Atomic Energy Agency), claims that only his two colleagues knew about his assignment, and whoever it was, the person tried to stop the Lieutenant's next investigation.

Of the 24 semifinalists chosen last week, the Top 12 boys will perform for America for the first time. Then its up to the viewers to vote for their favorites. Who will survive and who will go home?
Performing Tonight are:

A.J. Tabaldo

Blake Lewis

Brandon Rogers

Chris Richardson

Chris Sligh

Jared Cotter

Nicholas Pedro

Paul Kim

Phil Stacey

Rudy Cardenas

Sanjaya Malakar

Jason "Sundance" Head.

Goren and Eames investigate the murder of a well-known televangelist's wife after a rally, but Goren is preoccupied with dealing with his mother's medical condition and the reappearance of his long-lost brother.

Without any evidence to hold her, Sheriff Lamb releases Veronica from jail. Josh, makes contact with Veronica and insists that he is being framed for his father's murder and, though Veronica has sympathy for him, she doesn't know if she believes him. Keith learns that the coach's wife, Kathleen Barry, hired Vinnie Van Lowe to find out if her husband was having an affair. Meanwhile, Logan joins Mac and Parker on a Valentine's Day scavenger hunt.

Mike helps dig tunnels that are used as underground wine caverns.



Later he works behind the scenes with Southwest Airlines as a baggage handler.



He also gets to work with the airport incinerator.

When Alan tries two separate cases, one includes the defense of a therapist who was fired for his belief in UFO's. In the meantime Clarence is worried by Claire's dinner invitation; and Bethany attempts to bring out Denny's spirituality.

Stabler finds himself drawn into a case where a young mother has committed suicide after her baby goes missing, and finds that there are two different fathers pursuing Kendall Kozlowski. The case leads to questions for Benson about her own family history.

The team participates in a unique competition known as the CT Games that puts them up against other Special Forces units from around the world. Things take a bad turn when one of the teams appears to be taking things too far to win.
Kim must travel to Utah to save her job and finds herself meeting an ex-lover. She spends some time getting reacquainted with him.

As Lucy struggles to get some sleep, Willa and Don work together to find the whereabouts of a secret celebrity wedding ceremony. Meanwhile, Julia is in rehab and Holt deals with his career.

Ulquiorra shows his report to Aizen and his fellow Arrancar by crushing his left eye. When Grimmjow questions why his didn't kill Ichigo, Uriquiorra explains Aizen's concerns about Ichigo's power.

Simon Amstell hosts the pop quiz with guests Romeo, Midge Ure, Nicholas Hoult and Russell Howard.