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Season guide

NCIS: Season 9

24 episodes Premiered Sep 20, 2011 Updated Oct 3, 2026
Previously on NCIS

Season 9 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 8.
  • ⚡ 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 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

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

Season 9: Filler vs. Essential Canon

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

25%
75%
Mytharc (6): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S9·E1 Mytharc

Nature of the Beast

Sep 20, 2011 · 44 min

Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.

S9·E2 Core

Restless

Sep 27, 2011 · 44 min

The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.

S9·E3 Core

The Penelope Papers

Oct 4, 2011 · 43 min

The line between McGee's personal and professional life is blurred when NCIS uncovers a connection between his grandmother and the murder of a Navy Lieutenant.

S9·E4 Core

Enemy on the Hill

Oct 11, 2011 · 43 min

The NCIS team searches for the person and motive behind a contract killer targeting a Navy Lieutenant Commander.

S9·E5 Core

Safe Harbor

Oct 18, 2011 · 43 min

When a coast guard officer is gunned down on a cargo vessel, the NCIS team searches for the killer, but finds a Lebanese family seeking refuge on American soil.

S9·E6 Mytharc

Thirst

Oct 25, 2011 · 42 min

An NCIS case changes from accidental death to murder when evidence reveals that a Navy Lieutenant died of forced over-hydration.

S9·E7 Core

Devil's Triangle

Nov 1, 2011 · 42 min

The NCIS team searches for answers when the current husband of both Gibbs' and Fornell's ex-wife is suspiciously kidnapped.

S9·E8 Core

Engaged (1)

Nov 8, 2011 · 43 min

The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.

S9·E9 Core

Engaged (2)

Nov 15, 2011 · 44 min

As the NCIS team continues its search for a missing Marine, Gibbs and Ziva travel to her last known whereabouts in Afghanistan.

S9·E10 Core

Sins of the Father

Nov 22, 2011 · 43 min

After Anthony DiNozzo, Sr. is found in a car with a dead body in the trunk and no memory of the previous night, the NCIS team must figure out if he is capable of murder.

S9·E11 Core

Newborn King

Dec 13, 2011 · 43 min

When a Navy Captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants.

S9·E12 Core

Housekeeping

Jan 3, 2012 · 43 min

An investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett’s whereabouts.

S9·E13 Core

A Desperate Man

Jan 10, 2012 · 43 min

When a Navy Lieutenant Commander is found dead in a building under construction, NCIS must search for a killer while dealing with interruptions from her distraught detective husban

S9·E14 Core

Life Before His Eyes

Feb 7, 2012 · 44 min

During a routine stop for his morning coffee, Gibbs finds himself staring down the barrel of a gun, forcing him to question choices he has made in the past and present.

S9·E15 Core

Secrets

Feb 14, 2012 · 41 min

When a Navy Captain is found dead with an unusual costume hidden under his uniform, NCIS uncovers a secret society of real-life super heroes and must track down the villain.

S9·E16 Core

Psych Out

Feb 21, 2012 · 43 min

Gibbs clashes with Dr. Samantha Ryan over the truth behind a Navy reservist's possible suicide.

S9·E17 Core

Need to Know

Feb 28, 2012 · 41 min

Top-secret clearance from a Naval research laboratory is jeopardized when the murder of a Chief Petty Officer is connected to an international arms dealer.

S9·E18 Core

The Tell

Mar 20, 2012 · 44 min

The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.

S9·E19 Core

The Good Son

Mar 27, 2012 · 43 min

A case hits close to home when the lead suspect in the murder of a Petty Officer is Director Vance's brother-in-law.

S9·E20 Core

The Missionary Position

Apr 10, 2012 · 43 min

Following the murder of a Marine, Tony and Ziva join Ziva’s longtime friend and mentor in Columbia in a search for a missing Marine Lieutenant and Navy Chaplain.

S9·E21 Mytharc

Rekindled

Apr 17, 2012 · 43 min

After a warehouse fire reveals missing Navy documents, posing a potential threat to national security, the NCIS team joins the Baltimore P.D. investigation, reuniting Tony with a b

S9·E22 Mytharc

Playing with Fire

May 1, 2012 · 41 min

The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide.

S9·E23 Mytharc

Up in Smoke

May 8, 2012 · 41 min

The NCIS team analyzes what secrets could be in the hands of a terrorist targeting the Navy when a high-tech bug is found inside a probationary agent’s tooth.

S9·E24 Mytharc

Till Death Do Us Part

May 15, 2012 · 44 min

Terrorism shakes the foundations of the Navy and NCIS to such an extent that Gibbs and the team face surprises that will devastate them.

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