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Season guide

NCIS: Season 13

24 episodes Premiered Sep 22, 2015 Updated Oct 3, 2026
Previously on NCIS

Season 13 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of NCIS Season 12.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 13 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 13 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 13: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

21%
79%
Mytharc (5): Crucial lore & season climaxes
Core (19): Character development & subplots
Side Quest (0): Standalone / filler
S13·E1 Mytharc

Stop the Bleeding

Sep 22, 2015 · 44 min

After being shot, Gibbs fights for his life aboard a Navy hospital ship, while DiNozzo and Joanna travel to Shanghai to try and take down the Calling.

S13·E2 Core

Personal Day

Sep 29, 2015 · 43 min

Gibbs calls on the team to assist DEA Agent Luis Mitchell with a case that keeps going cold, but DiNozzo discovers there is more to Gibbs’ personal connection to the agent and his

S13·E3 Mytharc

Incognito

Oct 6, 2015 · 43 min

After a Marine is found murdered in Quantico hours after calling Gibbs to discuss a possible case, Bishop and McGee go undercover as a married couple to run surveillance on a Marin

S13·E4 Core

Double Trouble

Oct 13, 2015 · 41 min

Vance partners with Gibbs and returns to field duty when a murder case is connected to a former NCIS agent he locked up for stealing evidence.

S13·E5 Core

Lockdown

Oct 20, 2015 · 44 min

While visiting a pharmaceutical lab on a murder case, Abby is trapped with no communication to the outside world after armed men take over the building and hold everyone hostage.

S13·E6 Core

Viral

Oct 27, 2015 · 44 min

When a Petty Officer’s murder matches the M.O. of a local serial killer, the NCIS team must determine if this is the killer’s latest victim or the work of a copycat.

S13·E7 Core

16 Years

Nov 3, 2015 · 44 min

The NCIS murder case of a retired Navy Lieutenant Commander forces Ducky to reveal his participation in a secret society that solves cold cases.

S13·E8 Core

Saviors

Nov 10, 2015 · 43 min

DiNozzo is reunited with his ex-girlfriend, Jeanne Benoit, when insurgents in Sudan attack a group of volunteer doctors, including her husband.

S13·E9 Core

Day in Court

Nov 17, 2015 · 44 min

In order to clear his name, a Petty Officer volunteers to be court-martialed if NCIS agrees to conduct its own investigation after his murder case is dismissed due to a mishandled

S13·E10 Core

Blood Brothers

Nov 24, 2015 · 44 min

The Secretary of Defense calls on NCIS to help a sailor who is battling leukemia to locate a donor for a bone marrow transplant, after two of his siblings are killed in the line of

S13·E11 Core

Spinning Wheel

Dec 15, 2015 · 44 min

After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, the NCIS team searches for the perpetrator.

S13·E12 Core

Sister City (I)

Jan 5, 2016 · 41 min

The passengers and crew of a private plane traveling from New Orleans to Washington, D.C., are poisoned and the evidence points to Abby's brother, the aircraft's missing chef. The

S13·E13 Core

Déjà Vu

Jan 19, 2016 · 40 min

While investigating the murder of a seaman who was set to testify before a grand jury, the NCIS team uncovers the resurgence of an international human-trafficking ring.

S13·E14 Core

Decompressed

Feb 9, 2016 · 41 min

Four deep sea divers stay inside a diving chamber with a deceased body in order to decompress. The dead body belongs to a retired Petty Officer who died in mysterious circumstances

S13·E15 Core

React

Feb 16, 2016 · 40 min

When Secretary of the Navy Sarah Porter learns her daughter has been kidnapped, the NCIS team partners with the FBI to track the case, determine a motive and bring her home.

S13·E16 Core

Loose Cannons

Feb 23, 2016 · 43 min

Doctor Cyril Taft experiences the rush of an NCIS case after he is assigned surgical duty to Gibbs’ suspect and finds key evidence.

S13·E17 Core

After Hours

Mar 1, 2016 · 41 min

The NCIS agents’ personal plans are interrupted when each of them catches errors in a seemingly cut-and-dried case.

S13·E18 Core

Scope

Mar 15, 2016 · 43 min

The NCIS team re-examines an ambush on a group of Special Ops snipers in Iraq after an American couple is attacked in the same area six months later.

S13·E19 Mytharc

Reasonable Doubts

Mar 22, 2016 · 43 min

A Navy Public Affairs officer is murdered, and the victim's wife and mistress accuse each other of the crime.

S13·E20 Core

Charade

Apr 5, 2016 · 41 min

Tony's identity is stolen by multiple perpetrators who go on to blackmail politicians.

S13·E21 Core

Return to Sender

Apr 19, 2016 · 41 min

Gibbs and Senior FBI Agent T.C. Fornell unite after two British prisoners, including a former spy, escape and arrive stateside via a shipping container.

S13·E22 Core

Homefront

May 3, 2016 · 41 min

When a 14-year-old foils a home invasion, Gibbs suspects the teenager is withholding pertinent details.

S13·E23 Mytharc

Dead Letter

May 10, 2016 · 41 min

The NCIS team, alongside the FBI and MI6, continue an international manhunt for an escaped British spy who has left one colleague fighting for their life in ICU.

S13·E24 Mytharc

Family First

May 17, 2016 · 43 min

NCIS, the FBI, and MI6 continue an international manhunt for an escaped British spy who is targeting current and former agents.

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