The Best Episodes of NCIS Season 19

Gibbs and McGee head to Alaska while the team works at home to uncover the conspiracy behind the serial killer.

Director: Terrence O'Hara

Writer: David J. North, Brendan Fehily

While trying to find the serial killer Gibbs was after, the NCIS team discovers another person has been tracking the case as well.

Director: Terrence O'Hara

Writer: Scott Williams

As the NCIS team searches for Gibbs after wreckage from his boat is discovered, they find out he was tracking a serial killer with journalist Marcie Warren, who wrote an exposé on him.

Director: Michael Zinberg

Writer: Christopher J. Waild

When Agent Parker is framed for murder, the team puts their jobs and lives on the line to buy time and uncover the truth.

Director: Terrence O'Hara

Writer: Christopher J. Waild

After a civilian research vessel in the North Atlantic picks up a small boat of wounded Navy officers, NCIS arrives on the ship and is forced to hide after discovering terrorists on board. Also, Agent Knight takes a paper doll with her on the mission to capture photos for her niece’s grade school class.

Director: Martha Mitchell

Writer: Christopher J. Waild

Gibbs and Parker go on a road trip to find one of the serial killer's victims. Also, Agent Knight goes undercover at a large manufacturing company with ties to the murders.

Director: Rocky Carroll

Writer: Marco Schnabel

The NCIS team investigates the death of a Navy officer whose body suddenly explodes before Jimmy can examine it.

Director: Diana Valentine

Writer: Steven D. Binder

NCIS investigates the death of a man on a cruise ship whose body is discovered in the ship's sauna by none other than McGee's mother-in-law, Judy.

Director: Michael Zinberg

Writer: Marco Schnabel, Yasemin Yilmaz

While investigating the death of an intruder at Quantico, Jimmy and Kasie are exposed to a deadly biotoxin; the NCIS team calls on Dr. Carol Wilson for help as they race to find the antidote; Torres tries to distract Jimmy's daughter.

Director: Diana Valentine

Writer: Scott Williams, Brian Dietzen

NCIS investigates the unexpected death of a Navy reservist who was an investigative journalist. Also, Knight and Jimmy’s budding romance is put on hold when a vital organ transfer goes fatally wrong.

Director: Tawnia McKiernan

Writer: Yasemin Yilmaz

Parker’s delinquent past resurfaces when NCIS is called to Philadelphia to investigate the death of a Navy petty officer.

Director: Terrence O'Hara

Writer: Marco Schnabel

When an infamous arms dealer, Reymundo Diaz, is released from prison and bodies start piling up, Torres is forced to face the repercussions of his actions during an undercover operation he worked on years ago.

Director: Terrence O'Hara

Writer: David J. North, Brendan Fehily

NCIS is called in when Navy Chief Warrant Officer Rafi Nazar is suspected of trying to sell stolen classified Navy software used to pilot combat drones.

Director: Rocky Carroll

Writer: Brendan Fehily

NCIS investigates a ring of clever teenage partygoers when a string of break-ins takes place at Marine Base Quantico. While working the case, Special Agent McGee forms a bond with one of the teens, Teagan Fields.

Director: Michael Zinberg

Writer: Katherine Beattie, Kimberly-Rose Wolter

A gruesome mishap at a Navy petty officer’s gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.

Director: Rocky Carroll

Writer: Katie White

NCIS investigates the apparent suicide of a retired Navy officer who was in Palmer and Knight's grief group; Torres gets a call from NCIS Special Agent Jane Tennant to come to Hawai'i. The crossover continues on NCIS: Hawai'i S01E18 T'N'T (II).

Director: Michael Zinberg

Writer: Scott Williams, Margaret Rose Lester

When a hotshot financial advisor is found shot at a naval station, NCIS investigates the case by interviewing the victim’s three-dimensional hologram of herself, which she created before her death.

Director: Leslie Libman

Writer: David J. North, Kimberly-Rose Wolter

When the body of a Navy lieutenant is discovered missing an eye, the NCIS investigation leads to the world of cage fighting.

Director: James Whitmore Jr.

Writer: Katherine Beattie

NCIS investigates the death of a beloved Navy commander who trained some of the top athletes in the country.

Director: James Whitmore Jr.

Writer: Christopher J. Waild, Katherine Beattie

NCIS investigates the case of a Navy reservist whose body is found in a beat-up car at the end of a gun range. Kasie weighs the pros and cons of buying a gun.

Director: Rocky Carroll

Writer: Scott Williams, Margaret Rose Lester

As NCIS investigates the cause of death of a reservist Navy SEAL surgeon, they're forced to bring Vance's daughter to help with a highly dangerous mission.

Director: Michael Zinberg

Writer: Yasemin Yilmaz