| Episode Number
|
Title
|
Airdate
|
Notes
|
| Series
|
Season
|
| 49
|
1
|
Lange, H. (episode)
|
September 20, 2011.
|
Now in Romania, Callen, Sam, Kensi and Deeks continue searching for Hetty with Callen getting some new information about his past.
|
| 50
|
2
|
Cyber Threat (episode)
|
September 27, 2011.
|
OSP joins forces with the NSA to find the creator and controller of a software program that's been linked to a cyber attack against the Department of Defense while Callen continues searching for more information concerning his past.
|
| 51
|
3
|
Backstopped (episode)
|
October 4, 2011.
|
The OSP team investigate when a Marine dies in an explosion while Hunter changes things by partnering Callen with Kensi and Sam with Deeks.
|
| 52
|
4
|
Deadline (episode)
|
October 11, 2011
|
The OSP team investigate a death connected to the Libyan resistance movement while Hetty returns to work.
|
| 53
|
5
|
Sacrifice (episode)
|
October 18, 2011.
|
The Los Angeles Police Department calls on the NCIS OSP team for help when a raid reveals that a Mexican drug cartel has ties to a wanted terrorist while Sam's most prized possession is stolen.
|
| 54
|
6
|
Lone Wolf (episode)
|
October 25, 2011.
|
OSP investigate when a former Navy intelligence officer is murdered with the team soon uncovering a potential threat to national security.
|
| 55
|
7
|
Honor (episode)
|
November 1, 2011.
|
OSP investigate when a dishonorably discharged Marine claims that he was framed for murdering a Japanese businessman.
|
| 56
|
8
|
Greed (episode)
|
November 8, 2011.
|
OSP investigate when a Navy ID is found on a dead body that has ties to a smuggling case concerning hazardous materials. The team are sent to Mexico to investigate the case and also help locate the missing materials.
|
| 57
|
9
|
Betrayal (episode)
|
November 15, 2011.
|
When Sam's undercover mission in Sudan apparently ends in tragedy with a body matching Sam's description arriving at the morgue, Callen heads off to Africa to uncover the truth while back in Los Angeles, the rest of the OSP team search for clues.
|
| 58
|
10
|
The Debt (episode)
|
November 22, 2011.
|
Deeks apparently shoots an unarmed man during a joint LAPD/NCIS investigation and is subsequently fired but all is not what it seems.
|
| 59
|
11
|
Higher Power (episode)
|
December 13, 2011.
|
As Los Angeles prepares to celebrate Christmas, the OSP team find themselves racing against the clock and ever decreasing odds to stop a group of thieves who stole an experimental electronic device which if used could ultimately destroy half of Los Angeles.
|
| 60
|
12
|
The Watchers (episode)
|
January 3, 2012.
|
The OSP team investigate the murder of a researcher with the Department of Defense and as they investigate, new NCIS Assistant Director, Owen Granger makes his presence known.
|
| 61
|
13
|
Exit Strategy (episode)
|
January 10, 2012.
|
When an assassination attempt is made against Jada Khaled, Callen and the OSP team are given the assignment of finding out who wants her dead and why but the team soon start to suspect that what happened three years ago that maybe Jada doesn't want their help after all.
|
| 62
|
14
|
Partners (episode)
|
February 7, 2012.
|
OSP investigate a hijacking when a package from a van from the State Department disappears while Callen and Sam celebrate five years of working together as partners.
|
| 63
|
15
|
Crimeleon (episode)
|
February 14, 2012.
|
OSP investigate the deaths of two businessman and soon discover that a murderous, sociopathic spy/agent named Crimeleon is on the loose in Los Angeles.
|
| 64
|
16
|
Blye, K. (episode)
|
February 21, 2012.
|
As Granger interrogates Kensi about various Marines in her father's unit have died in various car accidents, Callen and the rest of the OSP team search for any possible evidence to redeem Kensi.
|
| 65
|
17
|
Blye, K., Part 2 (episode)
|
February 28, 2012
|
In the aftermath of being shot, Kensi, having managed to avoid getting hit thanks to a bulletpoof vest goes on the run, her goal being to solve the death of her father once and all.
|
| 66
|
18
|
The Dragon and the Fairy (episode)
|
March 20, 2012.
|
OSP investigate when a young man is shot outside the Vietnamese Consulate prior to an international conference at the venue that the SECNAV is scheduled to attend with the OSP team soon finding evidence suggesting that an illegal sweatshop may be a cover for a human trafficking ring or terrorists.
|
| 67
|
19
|
Vengeance (episode)
|
March 27, 2012.
|
OSP investigate when a Navy Intel Officer is found dead and the evidence seems to suggest that a team of Navy SEALs are responsible. As Callen, Sam, Kensi and Deeks arrive to interrogate the group, they learn that the suspects are due to depart on a hostage rescue mission with Sam being chosen to interrogate the members which could in turn compromise the mission.
|
| 68
|
20
|
Patriot Acts (episode)
|
April 10, 2012.
|
When a car explodes in downtown Los Angeles, OSP are tasked with investigating with the investigation growing intense when Nate Getz returns and reveals that all is not what it seems despite the FBI insisting that they've managed to stop a homegrown terrorist.
|
| -
|
-
|
Pa Make Loa (episode)
|
April 30, 2012.
|
Crossover with Hawaii Five-0. A domestic call turns intense when it's discovered that the victim has been infected with a deadly weaponized form of smallpox, prompting the Hawaii Five-0 team to be called in to investigate. As they do so, they soon find evidence of the presence of a figure well known to the Office of Special Projects in Los Angeles which later has NCIS Special Agents Sam Hanna and G. Callen leaving Los Angeles and arriving in Hawaii to join the investigation as both teams form a partnership to stop a possible biological attack from occurring.
|
| 69
|
21
|
Touch of Death (episode)
|
May 1, 2012.
|
Crossover with Hawaii Five-0. In the aftermath of the revelation at the end of "Pa Make Loa", Callen and Sam arrive back in Los Angeles, the two NCIS agents accompanied by Hawaii Five 0 Detectives Danny Williams and Chin Ho Kelly as the Office of Special Projects Team and Hawaii Five-0 Task Force attempt to find and arrest a suspect who has gained access to the deadly smallpox but the investigation grows intense after the body of a woman accompanying the suspect is found in the bathroom of a flight that originally came from Hawaii. The two teams race to find the suspect and stop an impending threat not only to national security but also to mankind.
|
| 70
|
22
|
Neighborhood Watch (episode)
|
May 8, 2012.
|
Deeks and Kensi go undercover in a quiet neighborhood in order to find and arrest a Russian sleeper agent operating in the area.
|
| 71
|
23
|
San Voirs Part 1 (episode)
|
May 15, 2012.
|
OSP find itself facing an intense battle as an old foe from the past returns, seeking revenge against Callen and the stakes are raised when two OSP agents die.
|
| 72
|
24
|
San Voirs Part 2 (episode)
|
May 15, 2012.
|
OSP race against the clock to stop Marcel Jeanvier once and for all.
|
