第 5 季 共 24 集
播出时间：2013年9月25日
第 1 集 Ascension
播出时间：2013年9月25日
While Sam and Deeks recover from traumatic torture that will have a lasting impact on their personal and professional relationships, lives are still in jeopardy as the NCIS: LA team searches for stolen nuclear weapons.
第 2 集 Impact
播出时间：2013年10月2日
In an effort to help Sam and Deeks return to work, Hetty calls upon Operational Psychologist Nate Getz to help them cope with their traumatic experience. Meanwhile, the rest of the NCIS: LA team investigates the murder of a former Navy Admiral and a controversial journalist aboard a private jet.
第 3 集 Omni
播出时间：2013年10月9日
The NCIS: LA team must find who compromised a classified vaccine project from a bio tech company. Meanwhile, Deeks struggles with his emotions upon returning to the field.
第 4 集 Reznikov, N.
播出时间：2013年10月16日
The NCIS: LA team finds themselves in danger while investigating a kidnapping case of a man claiming to be Callen’s father.
第 5 集 Unwritten Rule
播出时间：2013年10月23日
Analyst Nell Jones joins the NCIS: LA team in the field when a former Navy officer’s girlfriend is kidnapped in exchange for Navy intelligence. Meanwhile, Deeks unknowingly breaks one of Hetty’s rules.
第 6 集 Big Brother
播出时间：2013年10月30日
When a 15-year-old hacker compromises missions, Callen goes under cover at a prestigious high school.
第 7 集 The Livelong Day
播出时间：2013年11月6日
The team must alert Homeland Security when they uncover a threat to a Los Angeles-based train during a murder investigation.
第 8 集 Fallout
播出时间：2013年11月13日
The team must locate and retrieve a stolen antiterrorism device before the city is attacked; Hetty is haunted by her past.
第 9 集 Recovery
播出时间：2013年11月20日
Kensi goes undercover as a nutritionist and Deeks poses as a new patient at a rehab center to investigate the death of a Navy officer.
第 10 集 The Frozen Lake
播出时间：2013年11月27日
Callen and Sam enlist the help of a Gurkha, an elite Nepali soldier specializing in knife fighting, to retrieve a missing thumb drive. Meanwhile, Kensi and Deeks struggle to find a balance in their partnership.
第 11 集 Iron Curtain Rising
播出时间：2013年12月11日
When a former Romanian Communist leader and suspected war criminal is discovered to be living in Los Angeles under a false identity, the NCIS: LA team must locate him before he disappears again.
第 12 集 Merry Evasion
播出时间：2013年12月18日
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.
第 13 集 Allegiance
播出时间：2014年1月15日
While in Afghanistan, Kensi and Granger join the team on a joint case when a federal agent in Los Angeles tied to Hawala, an ancient system of money transfer, is murdered.
第 14 集 War Cries
播出时间：2014年2月5日
The investigation into the murder of two private military contractors ends up putting a member of the team in grave danger; Sam arranges a blind date for Callen.
第 15 集 Tuhon
播出时间：2014年2月26日
Callen and Sam search for a murder suspect -- a retired assassin (Danny Trejo) they encountered on their first case together.
第 16 集 Fish Out of Water
播出时间：2014年3月5日
Following an explosion at a fish market, the NCIS: LA team partners with an undercover DEA agent to determine if the incident is an act of terrorism or a botched drug smuggling deal. Meanwhile, in Afghanistan, Granger and Kensi investigate a helicopter crash that could be tied to their ongoing search for the infamous white ghost.
第 17 集 Between the Lines
播出时间：2014年3月19日
When a gang identifies and executes an undercover agent, the team must locate a mole before other agents are put in danger.
第 18 集 Zero Days
播出时间：2014年3月26日
Eric witnesses his friend, a computer systems expert, being attacked by people who want information that could redirect a missile; Kensi runs into a familiar face in Afghanistan.
第 19 集 Spoils of War
播出时间：2014年4月2日
After learning that Special Agent Kensi Blye disappeared and the Taliban may be he holding her captive, Hetty sends the NCIS: LA team to Afghanistan on a rescue mission.
第 20 集 Windfall
播出时间：2014年4月9日
Nell joins Deeks in the field on a case involving a former Marine who is being tracked by al-Qaida after embezzling money from Iraq.
第 21 集 Three Hearts
播出时间：2014年4月16日
The team takes an undercover agent who is suspected of working for the smuggler he is supposed to be investigating into custody; Kensi and Deeks discuss their relationship.
第 22 集 One More Chance
播出时间：2014年4月30日
Sam is convinced that the theft of software for a new unmanned aerial vehicle is connected with the disappearance of the lead engineer's 10-year-old daughter, a girl Sam once provided protection detail for in Saudi Arabia.
第 23 集 Exposure
播出时间：2014年5月7日
When a news reporter announces the group responsible for the deadly explosion at a military-sponsored charity event, the team must investigate her claims and search for the attacker.
第 24 集 Deep Trouble (1)
播出时间：2014年5月14日
When the NCIS: Los Angeles team and DEA uncover the cartel's plans to slyly transport billions of dollars’ worth of cocaine from Colombia to the U.S. using a submarine, Callen and Sam must quickly locate the missing vessel. Meanwhile, Hetty is called to Washington in the aftermath of the controversial mission in Afghanistan.
