From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.
The best episode of "NCIS" season 19 is "Blood in the Water", rated 8.2/10 from 615 user votes. It was directed by Michael Zinberg and written by Christopher J. Waild. "Blood in the Water" aired on 9/20/2021 and is rated 0.3 point(s) higher than the second highest rated, "Nearly Departed".
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
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
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
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: Brendan Fehily, David J. North
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 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 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
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
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
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
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
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
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
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
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
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 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: Brendan Fehily, David J. North
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
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
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