Some presumed dead crew members show up from the missing tanker that was involved in Arkady’s deal with Russia.

When a missile test is hijacked and sent off course, the team searches for the hacking group responsible for the attack with the help of a young computer specialist Hetty…

Callen and Sam resume their undercover identities as a prisoner and guard to infiltrate a white supremacist group believed to be in possession of stolen nuclear material, while Kensi transforms…

Members of the team take a look into the death of an Afghanistan soldier training in America.

Following a successful sting, an explosion causes three FBI agents to be killed.

Looking for the person responsible for an anthrax poisoning, Sam and Callen work under cover as food truck owners.

Callen and Sam end up being abducted during the follow up of an anonymous tip about a missing NSA agent.

After Sam is shot by a spy contracted by the CIA the team need the help of a Nepali soldier.

The team investigate an arms dealer but are interrupted as the suspect’s building is overrun by terrorists.

Sam and Callen need to get their hands on some key evidence after a U.S. Ambassador survives a terrorist attack.

Pride (Scott Bakula) suspects a mole among the ranks as NCIS and local law enforcement continue to track the Broussard Syndicate after new intelligence suggests a breach at the ports.

While conducting an autopsy on a Petty Officer who is believed to have died from natural causes, an armed man enters the morgue and holds Wade, Sebastian and Danny hostage.

When a Navy Commander’s car is stolen with his baby inside, the NCIS team must determine if this was a random carjacking or a targeted abduction.

With no memory of the night before, Lasalle’s brother, Cade, turns to NCIS for help when he finds his girlfriend’s body in the trunk of his car. Despite a mountain…

To send a message to Pride, Baitfish murders someone close to the NCIS team, prompting a citywide manhunt for the elusive criminal.

The NCIS team tries to narrow down the motive when a Navy recruiter is murdered in a hit-and-run; Lasalle worries about his brother.

Pride is adamant the elusive “Baitfish” has returned and, in attempt to locate his nemesis, he has the team investigate crime scenes and chase leads from New Orleans to Charleston,…

After a sailor is murdered in the champagne room of a strip club, the NCIS team links the murder weapon to two additional unsolved cases and discovers that the names…

A Navy Lieutenant Commander in impeccable shape turns to Pride and the NCIS team to solve his imminent murder after discovering he has been poisoned with a lethal dose of…

After an NCIS agent is killed during a security detail for the Vice Chief of Naval Operations, the team must determine if this was an assassination attempt or if someone…

A petty officer is murdered during Mardi Gras festivities; Pride contemplates what to tell his daughter about his strained relationship with his father.

The NCIS team investigates a deadly explosion at the Navy-Marine Corps Relief Gala, and discover Pride was the intended target of the bomb.

When a Navy Admiral’s daughter is the prime suspect in a double murder case aboard a research boat, the NCIS team partners with the Coast Guard Investigative Service (CGIS) to…

Scott and Stonebridge head out for a final showdown with Li-Na, in an effort to avenge Richmond’s death and save Locke’s career and their own lives before a bomb goes off…

The team find out that Li-Na is planning to mount a nuclear attack in Europe. Locke puts himself in the firing line after he neglects the mission in order to…

Locke takes Section 20 off the radar, as they defy Whitehall to travel to Geneva where he is convinced that Li-Na and Kwon are preparing to attack the United Nations…

Scott and Stonebridge make a major mistake and fall into the clutches of North Korean agent Li-Na, leaving Locke having to defy orders to get them out.

The battle with Li-Na is now in Europe, as Section 20 look for a way to get back on her trail. Locke ends up getting an unexpected chance to confront…

Locke works out that his long-time friend is working with the dangerous Yakuza and Office 39. Scott needs protect his son after they find themselves enemy fire.

Scott has a serious talk with his son whilst the rest of Section 20 form an uneasy alliance with a couple of CIA mercenaries as they go after Shiro and…

Scott and Stonebridge make a major mistake and fall into the clutches of North Korean agent Li-Na, leaving Locke having to defy orders to get them out.

The daughter of Thailand’s British ambassador is kidnapped, so Stonebridge, Scott and the rest of the team sign up for another do-or-die trying adventure.

Section 20 try to track down the real culprits behind the embassy attack, starting with getting information from gangster Ray McQueen.

Christy feels threatened by Baxter’s girlfriend in the wake of Roscoe’s parent-teacher conference. Bonnie flirts with an unlikely target.

Regina doesn’t think she’s an alcoholic and Wendy encourages the ladies to attand a sober holiday dance.

Christy and Bonnie try to help Jodi, a teenage addict they met at their meeting.

After Christy and Bonnie get Jodi, a recovering drug addict, back on her feet, they find themselves addicted to the rush of helping others and take on a new “project,”…

Christy is thrilled when Violet tells her she wants to spend more time together and improve their relationship. Also, Bonnie tries to make amends with her nemesis in the building,…

Bonnie’s estranged biological mother arrives, prompting Bonnie and Christy to clash over the notion of forgiveness.

Christy blames Bonnie when Roscoe announces he wants to go live with his father, on the second season finale.