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Season guide

NCIS: Season 17

20 episodes Premiered Sep 24, 2019 Updated Oct 3, 2026
Previously on NCIS

Season 17 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 16.
  • ⚡ 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 17 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 17 Progress Shield

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

Season 17: Filler vs. Essential Canon

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

30%
70%
Mytharc (6): Crucial lore & season climaxes
Core (14): Character development & subplots
Side Quest (0): Standalone / filler
S17·E1 Mytharc

Out of the Darkness

Sep 24, 2019 · 43 min

Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead by family and friends, and what led to her r

S17·E2 Core

Into the Light

Oct 1, 2019 · 41 min

With their lives in danger, Gibbs and Ziva’s rogue investigation takes an unexpected turn when a possible terrorist plot is revealed.

S17·E3 Core

Going Mobile

Oct 8, 2019 · 43 min

After the body of a Marine Lieutenant is found hidden under an 18-wheeler, the NCIS team tracks the vehicle’s previous locations to pinpoint the crime scene and suspect.

S17·E4 Core

Someone Else's Shoes

Oct 15, 2019 · 42 min

The NCIS team links a bizarre crime scene at Arlington National Cemetery to a string of attacks on homeless veterans.

S17·E5 Mytharc

Wide Awake

Oct 22, 2019 · 43 min

NCIS investigates Marine Corporal Laney Alimonte after evidence suggests she murdered her neighbor while being treated for insomnia by a hypnotherapist.

S17·E6 Mytharc

Institutionalized

Nov 5, 2019 · 43 min

After a Petty Officer’s son is found murdered at his “welcome home from prison” party, evidence suggests Kasie’s lifelong best friend, Dante Brown, is the suspect.

S17·E7 Core

No Vacancy

Nov 12, 2019 · 43 min

While investigating a Marine’s murder, the NCIS team uncovers a labyrinth of live-streaming spy cameras hidden in the rooms of a Virginia motel.

S17·E8 Core

Musical Chairs

Nov 19, 2019 · 41 min

The NCIS team investigates the murder of a musician in the Navy’s most elite band that performs at diplomatic events around the world.

S17·E9 Core

IRL

Nov 26, 2019 · 43 min

The NCIS team investigates a Petty Officer's murder that was livestreamed on a popular gaming app.

S17·E10 Core

The North Pole

Dec 17, 2019 · 43 min

Gibbs and the team help Ziva with the "one thing" she said she'd take care of before returning to her family.

S17·E11 Core

In the Wind

Jan 7, 2020 · 42 min

Gibbs must face the consequences of helping Ziva with "the one thing" she said she'd take care of before returning to her family.

S17·E12 Core

Flight Plan

Jan 14, 2020 · 43 min

The NCIS team investigates an F-18 crash and the subsequent disappearance of the pilot.

S17·E13 Core

Sound Off

Jan 21, 2020 · 42 min

After a body is found at an unmanned aerial vehicle testing site, the NCIS team must determine if the death was murder or an accident.

S17·E14 Core

On Fire

Jan 28, 2020 · 43 min

After Torres and Bishop are victims of a hit-and-run, Torres fights for his life in the Intensive Care Unit.

S17·E15 Core

Lonely Hearts

Feb 11, 2020 · 43 min

The lead suspect in an NCIS murder investigation is a woman Gibbs' friend, Phillip Brooks, met on a dating site.

S17·E16 Core

Ephemera

Feb 18, 2020 · 43 min

While investigating the suicide of a retired Navy officer who left a rare, valuable - and possibly stolen - coin to the National Museum of the Navy, the team imagines themselves in

S17·E17 Mytharc

In a Nutshell

Mar 10, 2020 · 41 min

As the NCIS team investigates the death of a Navy officer murdered the same way as his parents a decade ago, they stumble across a storage container filled with dollhouses that dis

S17·E18 Core

Schooled

Mar 24, 2020 · 42 min

The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held.

S17·E19 Mytharc

Blarney

Mar 31, 2020 · 42 min

When Kasie and Jimmy are held hostage in a diner after a jewelry store robbery goes awry, they attempt to keep the other customers safe from the thieves.

S17·E20 Mytharc

The Arizona

Apr 14, 2020 · 43 min

The team tries to verify the identity of Joe Smith, who claims he served on the U.S.S. Arizona during the attack on Pearl Harbor, and wants to be buried there upon his death.

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