第 2 季 共 24 集
播出时间：2010年9月22日
第 1 集 Human Traffic
播出时间：2010年9月22日
When one of their own disappears while undercover, the team must work alongside LAPD on a case involving human-trafficking, money laundering and drugs.
第 2 集 Black Widow
播出时间：2010年9月22日
After a mysterious hit squad takes out a Special Agent on assignment, the NCIS team jumps into action before the next target is set.
第 3 集 Borderline
播出时间：2010年9月29日
The NCIS team jumps into action when video surveillance footage shows an ambush on a humvee transporting Marines in the desert. Meanwhile, Nate returns from his mystery assignment.
第 4 集 Special Delivery
播出时间：2010年10月6日
The team investigates the murder of a Marine who had top-level security clearance, and the corpse is missing a hand.
第 5 集 Little Angels
播出时间：2010年10月13日
The team races against time to save a Naval Commander's daughter after seeing a video of her being buried alive.
第 6 集 Standoff
播出时间：2010年10月20日
Callen's ex-partner (Marisol Nichols) takes a Navy recruitment center hostage.
第 7 集 Anonymous
播出时间：2010年10月27日
After terrorists kill a state department employee and a plastic surgeon, the team searches for the only witness who can identify the killers' surgically altered faces.
第 8 集 Bounty
播出时间：2010年11月10日
Wanted terrorists and top secret information are all involved in NCIS's investigation into the kidnapping and murder of a retired army Sergeant.
第 9 集 Absolution (1)
播出时间：2010年11月17日
When a murdered antiques dealer's book of top-secret information goes missing, Hetty sends the NCIS team on a mission to find it.
第 10 集 Deliverance (2)
播出时间：2010年11月24日
Hetty and the NCIS team continue to search for an elusive book that has the attention of several foreign security agencies.
第 11 集 Disorder
播出时间：2010年12月15日
Kensi connects personally with a discharged Navy Intelligence officer suffering from post traumatic stress disorder who is the sole survivor of a deadly dispute being investigated by the NCIS team.
第 12 集 Overwatch
播出时间：2011年1月12日
The NCIS team uncovers an experimental Navy tracking system when a body containing a top-secret residue is stolen from an autopsy room. Meanwhile, Callen challenges Hetty on the rock wall.
第 13 集 Archangel
播出时间：2011年1月19日
The team looks for the person responsible when classified pentagon documents are uploaded to a blog site.
第 14 集 Lockup
播出时间：2011年2月2日
Sam goes undercover as a prisoner to track down a terrorist group responsible for several bombings around the world.
第 15 集 Tin Soldiers
播出时间：2011年2月9日
After Callen catches a man breaking into his house, a former KGB operative leads the NCIS team to a shipment of counterfeit computer chips entering the United States.
第 16 集 Empty Quiver
播出时间：2011年2月16日
Suspicious of an undercover venture involving a deal between corrupt cops and military personnel, Callen and Sam try to expose the illegal operation by posing as California highway patrol officers.
第 17 集 Personal
播出时间：2011年2月23日
Deeks' morning routine is disrupted when he is shot during a convenience store robbery, leaving the NCIS team to investigate whether he was the assailants' intended target.
第 18 集 Harm's Way
播出时间：2011年3月2日
Sam resumes a former alias and boards a one-way flight to Yemen in hopes of tracking down a terrorist group's leader and rescuing the hostage son of a Saudi Prince.
第 19 集 Enemy Within
播出时间：2011年3月23日
NCIS investigates whether the life of a Venezuelan politician is in danger after a Navy Intelligence Commander who is responsible for tracking his moves suddenly disappears.
第 20 集 The Job
播出时间：2011年3月30日
When an attempted robbery takes place at a secure facility on a Marine base, Kensi must determine what the thief intended to steal.
第 21 集 Rocket Man
播出时间：2011年4月13日
After a rocket engine expert is killed, NCIS tech operator Eric Beale goes undercover for the first time to ensure that the classified technology used to build satellites is safe.
第 22 集 Plan B
播出时间：2011年5月4日
Deeks resumes an old alias he is not fond of in order to protect his best friend and chief informant from a criminal group that wants him dead.
第 23 集 Imposters
播出时间：2011年5月11日
A Navy SEAL imposter's death gives the team a lead on a missing canister used to make deadly bombs.
第 24 集 Familia
播出时间：2011年5月18日
Hetty's sudden resignation prompts Callen and the NCIS team to investigate the reason why she would disappear in the hopes of tracking her down.
