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Season 02
18 episodes
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E01
Gibbs and Franks investigate the disappearance of a young Marine connected to a mysterious compound with a charismatic leader; Lala's fate is revealed.
E02
When the body of a college swimmer washes up on the beach, the team must determine if it was an accident or murder; Gibbs prepares for his first interrogation.
E03
When Dr. Donald "Ducky" Mallard, a liaison from D.C. headquarters and an old acquaintance of Gibbs', arrives to evaluate whether Pendleton needs an in-house medical examiner, not everyone trusts that's the real reason behind his visit.
E04
Tensions rise when Franks' estranged older brother, Mason, blows into town, desperate for help after hitting rock bottom; the team investigates the robbery of a Navy bank; Lala, still struggling after her accident, makes a decision about her future.
E05
When a naval officer mysteriously dies in the ‘90s, Gibbs and the team travel to the small dust-blown town of Serenity, Calif., where they encounter secret-harboring residents, an uncooperative sheriff and an investigation that will reverberate for decades.
E06
When an anonymous tip leads to the discovery of a young Marine's body at a chilling crime scene, Randy believes it could be connected to a previous case where a coin was left in the victim's throat.
E07
The team investigates the murder of a Marine who had recently been picked for a classified mission; Wheeler's personal life is upended; Lala is thrown by unexpected news from Vera.
E08
When Lala's favorite CI is shot, the team joins forces with Oceanside PD to determine who was behind the attack. Also, Franks visits his brother Mason at the compound, and Gibbs' relationship with Diane is tested when she gets a job in Los Angeles.
E09
As the team discovers Gibbs' drunken Vegas elopement with Diane, the newlyweds contemplate their future. Also, the team investigates a fatal movie theater bombing with a connection to the Pruitt compound where Franks' brother Mason is staying.
E10
When a marine captain shows up at Camp Pendleton exhibiting symptoms of a fatal virus, NIS goes on lockdown and Gibbs is forced to take charge. As panic spreads, the team races to determine whether it really is a deadly outbreak or something else entirely.
E11
When a lieutenant's water-logged body is discovered with a potential connection to an international smuggling ring, NIS Panama agents are called in to assist, and Gibbs comes face-to-face with an old nemesis: Special Agent Dwayne Pride. Once the two are assigned to a dangerous undercover mission together, Gibbs must find a way to move on from their past.
E12
When the NIS Regional Director tries to transfer Mary Jo, she reconnects with an old friend from Atlantic City to help investigate the roadside deaths of two Marines.
E13
When Dr. Tango is arrested for stealing human remains from a national park, Dr. Donald "Ducky" Mallard returns to assist the team in proving his innocence.
E14
When the team's trusted K-9 agent, Gary Callahan, is critically wounded at a crime scene, NIS races to track down the culprit while a surprising pre-Pendleton chapter in Franks' life is revealed.
E15
Lala's determination to get Manny out of gang life lands the team in the middle of a turf war.
E16
While Gibbs and Lala grow closer on a case, Gibbs' long-distance relationship with Diane is further tested by the arrival of an unexpected guest: Gibbs' father, Jackson.
E17
Wheeler takes command when a car bomb goes off outside NIS headquarters. Also, the truth about Franks' distaste for lawyers is revealed.
E18
With the Camp Pendleton office in danger of being shut down, the team confronts an uncertain future.