Mark Harmon
Leroy Jethro Gibbs
Series SeasonSeason 12 episodes2014
NCIS
Season 12
In Season 12, Gibbs and McGee travel to Russia to retrieve a computer expert and get into an ongoing battle with mercenary Sergei Mishnev.
Episodes
Each episode has its own detail page.
Episode 144 min2014-09-23
Twenty Klicks
Gibbs and McGee travel to Russia to safely escort home an NCIS computer engineer with classified intel, but their mission is compromised and they are forced to go off the grid while hunted by a mercenary group.
Episode 242 min2014-09-30
Kill the Messenger
When a Navy Lieutenant is killed on his way to a private meeting with the President, the NCIS team must determine if the murder was part of a recent stream of muggings in the area or a targeted hit to keep intel secret.
Episode 342 min2014-10-07
So It Goes
Flashbacks into his past help tell the tale for Dr. Mallard as he and Bishop travel to England in search of answers to find out why an Englishman murdered in the United States would have a list of deceased Navy men on his person.
Episode 443 min2014-10-14
Choke Hold
The Secretary of the Navy assigns the NCIS team to a joint terrorism task force after a Naval research scientist is murdered and the lead suspect is wanted by the Russian government.
Episode 541 min2014-10-21
The San Dominick
During a joint Coast Guard and NCIS training exercise at sea, Gibbs and CGIS Agent Borin spot a deceased man overboard, who is discovered to be a missing crew member from a ship 60 nautical miles away.
Episode 644 min2014-10-28
Parental Guidance Suggested
The NCIS team must determine if the murder of a Navy Commander's wife is linked to her profession as a therapist or an act of terrorism after finding the Commander's name on a Jihadist target list.
Episode 744 min2014-11-11
The Searchers
After investigating the murder of a retired Master Sergeant, the NCIS team uncovers a fraudulent charity that preys on those searching for missing military personnel.
Episode 843 min2014-11-18
Semper Fortis
Gibbs searches for a way to clear a Navy Hospital Corpsman after she's indicted for illegally providing medical aid to the victims of a hit and run accident.
Episode 941 min2014-11-25
Grounded
While stuck at the Dulles airport due to inclement weather, DiNozzo, Bishop, and her husband Jake work an NCIS case involving an elevated terrorist threat at Northeast airports during the Thanksgiving travel surge.
Episode 1044 min2014-12-16
House Rules
The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas.
Episode 1141 min2015-01-06
Check
The NCIS team investigates copy-cat crime scenes while Gibbs navigates two ex-wives relentlessly trying to get his attention.
Episode 1244 min2015-01-13
The Enemy Within
The NCIS team searches for a home-grown terrorist after a rescue mission in Syria reveals an American was involved in the capture of a social worker.
Episode 1343 min2015-02-03
We Build, We Fight
Gibbs and the team investigate when a Navy Lieutenant who is set to be the first openly gay service member to receive the Medal of Honor is murdered.
Episode 1444 min2015-02-10
Cadence
DiNozzo returns to the military academy he attended as a teen after a murdered Marine, who was an alumnus of the school, is found clutching the photo of a current student.
Episode 1544 min2015-02-17
Cabin Fever
The NCIS team suspects Gibbs' arch-nemesis is behind an explosion at a global terrorism summit.
Episode 1643 min2015-02-24
Blast from the Past
A covert identity created for one of Gibbs’ undercover cases from 20 years ago resurfaces when a murder victim is found living under the alias.
Episode 1744 min2015-03-10
The Artful Dodger
Evidence in an NCIS murder case reveals a rare painting on loan had been swapped for a fake, prompting DiNozzo, Sr. to share his knowledge and contacts of the black market art world with the team.
Episode 1842 min2015-03-24
Status Update
After the body of a thief is found in a Marine’s house, NCIS discovers the calling card of a terror group Delilah and the Department of Defense have been tracking.
Episode 1943 min2015-03-31
Patience
The murder of a Petty Officer sparks a lead in a 40-year-old airport bombing cold case that Gibbs and DiNozzo have been assigned to for the past two years.
Episode 2044 min2015-04-07
No Good Deed
DiNozzo is partnered with his girlfriend ATF Special Agent Zoé Keates after evidence reveals that the murder weapon in an NCIS case was originally purchased for the controversial ATF sting operation “Operation Fast and Furious.”
Episode 2143 min2015-04-14
Lost in Translation
Gibbs and Bishop travel to Afghanistan after the murder of a Marine in D.C. is linked to a terror group holding another Marine hostage overseas.
Episode 2244 min2015-04-28
Troll
Special Agent Ned Dorneget from NCIS cyber operations assists the team when a Navy ensign who worked in the Office of Naval Intelligence is murdered.
Episode 2344 min2015-05-05
The Lost Boys
The NCIS cyber case turns into a united global effort after evidence confirms “The Calling,” an international terrorist group that recruits children through the internet, has been purchasing S-bombs off the black market.
Episode 2443 min2015-05-12
Neverland
NCIS feverishly investigates a global terrorist group that is recruiting teens via the Internet, following a deadly bombing overseas that results in an emotional and surprising loss for the team.