As Lorelai and Christopher begin to date, Lorelai finds it difficult to commit to the relationship wholeheartedly. Seeing this, Christopher plans romantic dates for Lorelai in order to win her heart. At Yale, Rory becomes friends with eccentric girls she meets at an art museum and Richard is a guest lecturer at his Alma mater. Meanwhile, April comes to Stars Hollow to stay with Luke for a few weeks while her mother is out of town and Lorelai has to bail Emily out of jail when she is arrested.

When a missing Lance Corporal is found dead in a vacant house, the NCIS team discovers that he was buried in the backyard and then exhumed. They learn about his identity and that he was to be deployed to Iraq, but he never showed up for duty. The investigation leads them to a new clue---he had two fiances. Abby runs the DNA samples from the two women to find out if the DNA is a match to the soil found on the dead man's body.

The Gamarra family enters a new era.

The remaining dancers compete to a ballroom dance style they have not yet attempted. All remaining teams also participate in a Group Freestyle Dance. Sara Evans addresses her withdrawal from the competition in an exclusive interview with Tom Bergeron.

An examination of the worst accident in civil aviation history, a March 1977 collision between two 747s on a foggy runway in Tenerife (one of the Canary Islands) that resulted in the deaths of 583 people. Included: what led to the tragedy; and insights from survivors, including co-pilot Robert Bragg and flight attendant Joan Jackson. Also: a look at improvements in runway safety since, featuring comments from NTSB chairman Mark Rosenker.

The situation in town begins to get ugly as Coach Taylor and his family is forced to endure heat from a difficult loss against the San Marco HS Rattlers.
Tim and Tyra break up after he confronts her about Smash, and Lyla, after having an argument with Jason, vents her anger onto Tim.

Goren and Eames investigate the death of a well-known and well-liked historian, Dr. Adlai Copeland, and their investigation leads them to suspect the victim's brother Ted, who was perpetually short of money and had recently been cut off by his brother. Ted is the prime suspect in the investigation until he, too, turns up dead, and detectives then turn their eye to the victims' wives, both of whom had something to gain from the two mens' deaths.

A campus football player hires Veronica to help him recover a stolen playbook before the next practice, or risk losing his scholarship. Veronica is threatened with expulsion when she won't reveal to Dean O'Dell one of her sources from the article Veronica wrote about the campus sorority. Logan tells Veronica his schedule is keeping them apart, but she realizes he has been spending time participating in illegal gambling. We get to see the first of Weevil this season when Veronica convinces Keith to hire him to assist with office work at Mars Investigations.

Alan Shore again defends Jerry Espenson, this time against an ex-employee who claims wrongful termination, but is taken aback when opposing council turns out to be Sally Heep.
Meanwhile, the Judge Hooper trial begins with shocking revelations, forcing Jeffrey to rethink his strategy, and Denny's relationship with Bethany is tested.

Stabler and Beck disagree on how to handle a case involving a rapist who seems to be escalating his attacks. Beck is getting too personally involved in the case and with the victims, which Stabler warns her against.

Dawn Budge needs an ear transplant. Burt Landau suffered a stroke and asks Christian and Sean to fix his face.

The plan is set into motion as the team fakes a car accident that traps the armored truck en route to receive the gold inside a tunnel. After a series of misdirections choreographed by Bobby and the gang, the team is in place to intercept the gold, but the margin for error is miniscule as they scramble to complete the job without being detected by the authorities.

The Unit finds itself torn between saving an African dictator or innocent people when they are sent into a hospital as a hurricane hits.
On the home front, Mack and Tiffy reconnect with each other.

Tonight actress Amy Sedaris, author of I Like You: Hospitality Under the Influence.

Tonight Stephen celebrates his 1st anniversary episode with Oxford Professor of Biology and author of The God Delusion Richard Dawkins.

In this episode, Mabashi uses his doll to control the shinigamis and make them attack others. Captain Unahana tries to heal them but discovers that the only way to save those shinigamis is by capturing the puppet master (who is Mabashi).