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24 Episodes 2013 - 2014
The crime drama begins Season 5 where the fourth season ended, with Deeks (Eric Christian Olsen) and Sam (LL Cool J) being tortured by notorious arms dealer Isaak Sidorov (Timothy V. Murphy) who wants them to admit they are federal agents. Soon, Sidorov brings in Sam's wife Michelle (Aunjanue Ellis), who is working undercover, and orders her to shoot Sam and Deeks to prove her loyalty. Meanwhile, Callen (Chris O'Donnell) and the rest of the team attempt to track down Sidorov's nuclear weapons. Later, the team investigate the kidnapping case of a man who claims to be Callen's father; and the threat of a terrorist attack on Los Angeles reconnects Hetty (Linda Hunt) with someone from her past, but the relationship jeopardizes her career. As for Kensi (Daniela Ruah), she and Granger (Miguel Ferrer) travel to Afghanistan to investigate a federal agent's murder. But while there she disappears and is feared to be a captive of the Taliban.
Episode 1
Tue, Sep 24, 2013 60 mins
Season 5 begins with the team searching for stolen nuclear weapons. Meanwhile, Sam and Deeks are hospitalized after being tortured.
Episode 2
Tue, Oct 1, 2013 60 mins
Hetty calls upon operational psychologist Nate Getz to help Sam and Deeks cope with their traumatic experience. Meanwhile, a retired Navy admiral and a controversial journalist are murdered aboard a private jet.
Episode 3
Tue, Oct 8, 2013 60 mins
The death of a bio tech CEO is investigated. The probe reveals that the victim's company is working on a classified vaccine project. Meanwhile, Deeks struggles with his emotions when he returns to work in the field.
Episode 4
Tue, Oct 15, 2013 60 mins
The team investigates the kidnapping case of a man who claims to be Callen's father.
Episode 5
Tue, Oct 22, 2013 60 mins
A former Navy officer's girlfriend is kidnapped and her abductors demand classified intelligence before they will release her. Meanwhile, Deeks unknowingly breaks one of Hetty's rules.
Episode 6
Tue, Oct 29, 2013 60 mins
Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions.
Episode 7
Tue, Nov 5, 2013 60 mins
The investigation into the murder of a security guard at a train yard uncovers a terrorist threat aimed at a Los Angeles-based train.
Episode 8
Tue, Nov 12, 2013 60 mins
A terrorist attack on Los Angeles is imminent after a nuclear detection device is stolen. The case reconnects Hetty with someone from her past and the relationship jeopardizes her career.
Episode 9
Tue, Nov 19, 2013 60 mins
Kensi works undercover as a nutritionist and Deeks poses as a new patient at a rehab center to investigate the death of a Navy officer.
Episode 10
Tue, Nov 26, 2013 60 mins
Callen and Sam get a Gurkha, an elite Nepali solider specializing in knife fighting, to help them retrieve a missing thumb drive. Meanwhile, Kensi and Deeks struggle to find balance in their relationship.
Episode 11
Tue, Dec 10, 2013 60 mins
A former Romanian communist leader and suspected war criminal is discovered to be living in Los Angeles under a false identity and the NCIS team must locate him before he disappears again.
Episode 12
Tue, Dec 17, 2013 60 mins
A senator's daughter is the victim of a home invasion. The team investigate to determine if it was a random crime or a targeted attack due to her father's crackdown on international cyber warfare. Meanwhile, Kensi's holiday spirit changes after she receives a surprise Christmas gift.
Episode 13
Tue, Jan 14, 2014 60 mins
A federal agent tied to an ancient system of money transfer is murdered in Los Angeles. Kensi and Granger join the investigation in Afghanistan to help crack the case.
Episode 14
Tue, Feb 4, 2014 60 mins
Two private military contractors are murdered and the team's investigation leads to a suspect who puts one of their own in grave danger. Meanwhile, Sam arranges a blind date for Callen.
Episode 15
Tue, Feb 25, 2014 60 mins
Sam and Callen go to Mexico to find a retired assassin they encountered on their first case together. The man is a suspect in the murder of a diplomat. Meanwhile, Nate and Deeks stay in Los Angeles to assist with the investigation.
Episode 16
Tue, Mar 4, 2014 60 mins
An explosion at a fish market is investigated. The team partner with an undercover DEA agent to determine whether it was an act of terrorism or a botched drug smuggling deal. Meanwhile, Granger and Kensi probe a helicopter crash in Afghanistan that may be tied to their ongoing search for the infamous white ghost.
Episode 17
Tue, Mar 18, 2014 60 mins
The NCIS team search for a mole when a local gang is able to identify and execute an undercover agent. Meanwhile, Granger fears the worst when Kensi disappears in Afghanistan.
Episode 18
Tue, Mar 25, 2014 60 mins
Eric believes the computer system that controls Russian missiles is at risk when he overhears a computer systems expert being attacked during online game play. Meanwhile, Kensi is shocked when a familiar face from her past shows up in Afghanistan.
Episode 19
Tue, Apr 1, 2014 60 mins
Hetty sends the team on a rescue mission to Afghanistan when she learns that Kensi Blye has disappeared and that the Taliban may be holding her captive.
Episode 20
Tue, Apr 8, 2014 60 mins
Nell joins Deeks in the field to investigate a case involving a former marine who is being hunted by members of Al Qaeda for embezzling money from Iraq. Meanwhile, Eric is assigned a new partner in Ops.
Episode 21
Tue, Apr 15, 2014 60 mins
An undercover NCIS agent is taken into custody when he is suspected of working for the smuggler he is supposed to be investigating. Meanwhile, Kensi and Deeks discuss their relationship when Kensi returns to the field.
Episode 22
Tue, Apr 29, 2014 60 mins
A 10-year-old girl Sam once provided protection detail for in Saudi Arabia goes missing, and he's convinced her disappearance is directly connected to the theft of software for a new unmanned-aerial vehicle being developed by her engineer father.
Episode 23
Tue, May 6, 2014 60 mins
A deadly explosion at a military-sponsored charity event is investigated, as is a news reporter's claim of who is responsible.
Episode 24
Tue, May 13, 2014 60 mins
Season 5 ends with the team learning that a cartel plans to transport billions of dollars worth of cocaine from Colombia to the US using a submarine. Callen and Sam are assigned the task of locating the missing vessel. Meanwhile, Hetty is called to Washington in response to the mission in Afghanistan.