Watch NCIS Season 15 full episodes online, free and paid options via our partners and affiliates.

Memorial Service - NCIS
Watch NCIS Season 15 Episode 23
"Fallout"
Original Air Date:

On NCIS Season 15 Episode 23, Gibbs learns that a deceased Navy Captain has been hiding in a fallout shelter after his boat was attacked and he swam to shore.

Abby's Life Hangs in the Balance - NCIS
Watch NCIS Season 15 Episode 22
"Two Steps Back"
Original Air Date:

On NCIS Season 15 Episode 22, evidence reveals a team member is a hitman's target and the team combs through old case files to find who is seeking vengeance.

Dinner In an Igloo - NCIS
Watch NCIS Season 15 Episode 21
"One Step Forward"
Original Air Date:

On NCIS Season 15 Epiode 21, Sara Carter begs Gibbs to reopen her mother's murder as she believes the local authorities convicted the wrong man.

An Escapted Petty Officer - NCIS
Watch NCIS Season 15 Episode 20
"Sight Unseen"
Original Air Date:

On NCIS Season 15 Episode 20, the team searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake.

Protective Custody of Elena - NCIS
Watch NCIS Season 15 Episode 19
"The Numerical Limit"
Original Air Date:

On NCIS Season 15 Episode 19, when an NCIS case reveals a 10-year-old orphaned refugee is the target of a violent gang, Gibbs is granted protective custody.

Headquarters Is Evacuated - NCIS
Watch NCIS Season 15 Episode 18
"Death From Above"
Original Air Date:

On NCIS Season 15 Episode 18, the NCIS headquarters are evacuated when the team finds a body as well as bomb materials on the roof of the squad room.

Antique War Stick - NCIS
Watch NCIS Season 15 Episode 17
"One Man's Trash"
Original Air Date:

On NCIS Season 15 Episode 17, a 16-year-old cold case may get solved when Gibbs and Ducky see an antique war stick on TV that could be the murder weapon.

Drew Carey Guest Stars on NCIS Season 15 Episode 16
Watch NCIS Season 15 Episode 16
"Handle With Care"
Original Air Date:

On NCIS Season 15 Episode 16, the team works to clear the name of retired Marine Sergeant when cyanide is found in one of the care packages he sends to Marines.

Making a Deal - NCIS
Watch NCIS Season 15 Episode 15
"Keep Your Enemies Closer"
Original Air Date:

On NCIS Season 15 Episode 15, a deal is struck with murderer who claims he can help convict Gabriel Hicks, the murderer who deceived Gibbs and Fornell.

Forced To Work Together - NCIS
Watch NCIS Season 15 Episode 14
"Keep Your Friends Close"
Original Air Date:

On NCIS Season 15 Episode 14, Vance orders Gibbs to work with former FBI Agent Tobias Fornell, who is now working as a P. I. to find a missing Navy commander.

In The Lurch - NCIS
Watch NCIS Season 15 Episode 13
"Family Ties"
Original Air Date:

On NCIS Season 15 Episode 13, McGee and Torres are left in the lurch when the parents of a witness to a hit and run take their daughter and go on the run.

Patrick Labyorteaux Guest Stars  - NCIS
Watch NCIS Season 15 Episode 12
"Dark Secrets"
Original Air Date:

On NCIS Season 15 Episode 12, JAG Navy Captain Bud Roberts helps the team investigate when a seemingly happy Navy Lieutenant looks to have taken her own life.

Torres and Bishop - NCIS
Watch NCIS Season 15 Episode 11
"High Tide"
Original Air Date:

On NCIS Season 15 Episode 11, for a sting operation tracking illegal drug-running out of the Norfolk, Torres and Bishop go undercover as a criminal couple.

Abby Celebrates the Holidays - NCIS
Watch NCIS Season 15 Episode 10
"Double Down"
Original Air Date:

On NCIS Season 15 Episode 10, when a Senator's son ends up in ICU, Gibbs and the team investigate the altercation that caused his life threatening injuries.

Thanksgiving On Hold - NCIS
Watch NCIS Season 15 Episode 9
"Ready or Not"
Original Air Date:

On NCIS Season 15 Episode 9, Thanksgiving plans are put on hold when an elusive international arms dealer murders an MI5 officer who was Sloane's close friend.

The Strange Voice - NCIS
Watch NCIS Season 15 Episode 8
"Voices"
Original Air Date:

On NCIS Season 15 Episode 8, a person of interest in a bribery and fraud case ends up murdered after a runner is led to his body after hearing a strange voice.

Senior FBI Agent Fornell - NCIS
Watch NCIS Season 15 Episode 7
"Burden of Proof"
Original Air Date:

On NCIS Season 15 Episode 7, a convicted felon swears the NCIS agency framed him for murder a decade ago in which FBI Agent Fornell was the lead investigator.

All Abilities - NCIS
Watch NCIS Season 15 Episode 6
"Trapped"
Original Air Date:

On NCIS Season 15 Episode 6, when a petty officer is found murdered on a golf course, McGee works on the victim's ham radio to locate a key witness.

Maria Bello Is In! - NCIS
Watch NCIS Season 15 Episode 5
"Fake It 'Til You Make It"
Original Air Date:

On NCIS Season 15 Episode 5, someone close to the team is kidnapped and they must find a way to save them before it is too late.

Special Agent Jacqueline Sloane - NCIS
Watch NCIS Season 15 Episode 4
"Skeleton Crew"
Original Air Date:

On NCIS Season 15 Episode 4, during a power outage, a sailor is kidnapped and Special Agent Jacqueline Sloane, a forensic psychologist, joins the team.

A Missing Partner - NCIS
Watch NCIS Season 15 Episode 3
"Exit Strategy"
Original Air Date:

On NCIS Season 15 Season 3, new evidence from a decade-old murder case is uncovered when Torres' partner mysteriously vanishes during a stakeout.

Moving Caskets - NCIS
Watch NCIS Season 15 Episode 2
"Twofer"
Original Air Date:

On NCIS Season 15 Episode 2, the team investigates when the body of a missing Navy Lieutenant who disappeared is located by a cemetery grounds crew.

Held Hostage - NCIS
Watch NCIS Season 15 Episode 1
"House Divided"
Original Air Date:

On NCIS Season 15 Episode 1, the team tirelessly searches for Gibbs and McGee who were last seen fighting an elusive group of rebels in a Paraguay jungle.

NCIS Season 15 Quotes

Bishop: Sorry about your wall.
Sloane: Never been a fan of Cheeto-dusted orange, anyway.

McGee: Well, we went from a snowball’s chance in hell of getting out of here to a--
Gibbs: --snowball’s chance in Arizona.