NCIS ( season 15 ) - wikipedia NCIS ( season 15 ) NCIS ( season 15 ) Season 15 U.S. DVD cover Starring Mark Harmon Pauley Perrette Sean Murray Wilmer Valderrama Emily Wickersham Brian Dietzen Duane Henry Rocky Carroll David McCallum Maria Bello Country of origin United States No. of episodes 24 Release Original network CBS Original release September 26, 2017 ( 2017 - 09 - 26 ) -- May 22, 2018 ( 2018 - 05 - 22 ) Season chronology ← Previous Season 14 List of NCIS episodes The fifteenth season of the American police procedural drama NCIS premiered on September 26, 2017, in the same time slot as in the previous seasons, Tuesdays at 8 PM. The season premiere was watched by 17.42 milion viewers, picking up two months after Gibbs and McGee were last seen fighting a group of rebels in Paraguay and focused on the aftermath of those events. The season concluded on May 22, 2018 and contained 24 episodes. NCIS revolves around a fictional team of special agents from the Naval Criminal Investigative Service, which conducts criminal investigations involving the U.S. Navy and Marine Corps. The series was renewed for fourteenth and fifteenth seasons by CBS on Monday, February 29, 2016. Contents 1 Cast 1.1 Main 1.2 Recurring 1.3 Guest appearances 2 Production 3 Episodes 4 Reception 5 Home media 6 Ratings 7 References Cast Main Mark Harmon as Leroy Jethro Gibbs, NCIS Supervisory Special Agent ( SSA ) assigned to Washington 's Navy Yard Pauley Perrette as Abigail Sciuto, Forensic Specialist attached to NCIS Sean Murray as Timothy McGee, NCIS Senior Special Agent, second in command Wilmer Valderrama as Nicholas `` Nick '' Torres, NCIS Special Agent Emily Wickersham as Ellie Bishop, NCIS Special Agent Brian Dietzen as Dr. Jimmy Palmer, Assistant Medical Examiner for NCIS Duane Henry as Clayton Reeves, SIS Senior Officer, NCIS International Desk Agent Rocky Carroll as Leon Vance, NCIS Director David McCallum as Dr. Donald Mallard, Chief Medical Examiner for NCIS Maria Bello as Dr. Jacqueline `` Jack '' Sloane, NCIS Special Agent and operational psychologist ( episode 4 -- 24 ) Recurring Joe Spano as Tobias Fornell, Former FBI Senior Special Agent Robert Wagner as Anthony DiNozzo Sr. ( Tony DiNozzo 's father ) Jack Conley as Danny Sportelli, Metro P.D. Detective Sergeant Margo Harshman as Delilah Fielding, Department of Defense intelligence analyst ( McGee 's wife ) French Stewart as Paul Triff, imprisoned serial killer Laura San Giacomo as Dr. Grace Confalone Marco Sanchez as Alejandro Rivera Pej Vahdat as Nigel Hakim, British Humanitarian Sumalee Montano as Nicole Taggart, NCIS Special Agent Diona Reasonover as Kasie Hines, Forensic Scientist attached to NCIS Naomi Grace as Kyla Vance ( Leon Vance 's Daughter ) Hilliary Ward as Jessica Shaeffer, Defense Attorney Guest appearances Patrick Labyorteaux as Bud Roberts, JAG Captain from Falls Church Muse Watson as Mike Franks, deceased Senior Special Agent for NCIS ( Gibbs ' old boss ) Drew Carey as John Ross, retired Marine Sergeant Kevin Pollak as Albert Hathaway, convicted Investment Advisor Dan Lauria as Morgan Cade, Emergency Room Guard Trevor Donovan as Thomas Bucker, Navy Commander Susan Blakely as Candence Darwin, Ducky 's friend Gwendoline Yeo as NCIS Special Agent Joanna Wright Jake Busey as Whit Dexter, Radio Host Mike Wolfe as himself Peter Jason as Robert King, Biological Weapons Specialist Production Maria Bello 's first season as a regular The series was renewed for fourteenth and fifteenth seasons by CBS on Monday, February 29, 2016. It was announced that Jennifer Esposito, who portrayed NCIS agent Alexandra Quinn, had departed and would be replaced by Maria Bello as Agent Jackie Sloane -- a new series regular, beginning with episode 15 : 5. Bello inked a three - year deal to remain with show through until the end of its seventeenth season. Production began in July 2017 with the rest of cast members returning. Showrunners Frank Cardea and George Schenck ( in their first full season at the helm ) wanted to focus Season 15 around a `` good mystery and more stand - alone episodes than two or three - parters. '' But noted that they would n't shy away from multi-part episodes if the story was deemed worth it. As to Quinn 's departure, Special Agent Torres ( Wilmer Valderrama ) states in 15 : 1 ( `` House Divided '' ) that Quinn is now on leave taking care of her mother ; this coincides with a running story - arc her character has maintained for some time. The specific turnover point between Quinn & Sloane 's characters occurs at the end of 15 : 4, when Bello 's character premieres. In another central casting announcement, TV Line reported on October 4, 2017, that founding NCIS actress Pauley Perrette will be leaving the role of `` Abby Sciuto '' after the conclusion of season fifteen. Perrette 's final episode was episode 22, which aired on May 8, 2018. Also, in this episode, Duane Henry ( Clayton Reeves ) was written off the show. NCIS was renewed for a sixteenth season on April 13, 2018, following a deal with Mark Harmon to return for an additional two years. Episodes No. overall No. in season Title Directed by Written by Original air date Prod. code U.S. viewers ( millions ) 331 `` House Divided '' Tony Wharmby Steven D. Binder September 26, 2017 ( 2017 - 09 - 26 ) 1501 13.29 The NCIS team continues their search for Gibbs and McGee two months after they went missing fighting rebels in Paraguay ; Vance and Torres are summoned to a congressional hearing regarding the fallout from the Paraguay mission. 332 `` Twofer '' James Whitmore, Jr. Scott Williams October 3, 2017 ( 2017 - 10 - 03 ) 1502 13.50 The team investigates the murder of a Navy lieutenant, whose body is found hidden at a local cemetery ; Gibbs and McGee must pass a psychiatric evaluation by Dr. Grace Confalone before officially resuming work. 333 `` Exit Strategy '' Terrence O'Hara Christopher J. Waild October 10, 2017 ( 2017 - 10 - 10 ) 1503 13.30 While on a stakeout with Metro P.D., Torres ' partner mysteriously vanishes, with the subsequent investigation leading NCIS to uncover new evidence from a decade - old murder. Also, Ducky 's friend ( Susan Blakely ) presents him with a new opportunity during his guest lecture series. 334 `` Skeleton Crew '' Rocky Carroll Jennifer Corbett October 17, 2017 ( 2017 - 10 - 17 ) 1504 12.85 Director Vance welcomes NCIS Special Agent Sloane ( Maria Bello ), a forensic psychologist he lobbied to transfer from California, to headquarters. Also, in the midst of a storm that has shut down Washington, D.C. and knocked out power, the NCIS team investigates the kidnapping of a sailor, which sends Torres and Bishop out to sea to track evidence. 335 5 `` Fake It ' Til You Make It '' Thomas J. Wright David J. North October 24, 2017 ( 2017 - 10 - 24 ) 1506 13.30 After Reeves sees a friend from an AA meeting get kidnapped, the NCIS team discovers the primary suspect disappeared two days ago with confidential military information. Meanwhile, an embarrassing photo from McGee 's teenage years becomes a popular meme. 336 6 `` Trapped '' Bethany Rooney Brendan Fehily October 31, 2017 ( 2017 - 10 - 31 ) 1505 12.11 After a petty officer is found murdered on a golf course, McGee spends hours on the victim 's ham radio trying to locate a key witness. Also, Palmer asks his co-workers to donate to a charity that builds playgrounds for kids of all abilities, and Torres surprises them with his generosity. 337 7 `` Burden of Proof '' Dennis Smith Gina Lucita Monreal November 7, 2017 ( 2017 - 11 - 07 ) 1507 13.47 After a convicted felon swears the NCIS agency framed him for murder a decade ago, Gibbs begins his own investigation, starting with a new autopsy by Ducky. Also, Senior FBI Agent Fornell ( Joe Spano ) joins the team, since he was the lead investigator in the original joint FBI and NCIS case. 338 8 `` Voices '' Tony Wharmby Steven D. Binder November 14, 2017 ( 2017 - 11 - 14 ) 1508 13.08 After voices inside a woman 's head lead her to the body of a contractor suspected of corruption, the team is requested to use her to figure out what happened only to find she may be hiding more than she realizes ; McGee and Delilah disagree about finding out their child 's gender. 339 9 `` Ready or Not '' Terrence O'Hara Scott Williams November 21, 2017 ( 2017 - 11 - 21 ) 1509 12.54 The team tracks an elusive international arms dealer who recently murdered an MI5 officer ; Abby races Delilah to the hospital when her labor starts three weeks early. Things gets more complicated when the arms dealer shows up at the same hospital Delilah and McGee are in. 340 10 `` Double Down '' Alrick Riley Christopher J. Waild December 12, 2017 ( 2017 - 12 - 12 ) 1510 12.58 While Sloane and Torres protect a Congressman ( and one of Gibbs ' friends ) in Afghanistan, the team investigates when his son suffers a damaging fall. 341 11 `` High Tide '' Tony Wharmby David J. North & Steven D. Binder January 2, 2018 ( 2018 - 01 - 02 ) 1512 14.10 Torres and Bishop go undercover as a criminal couple available for hire, during an NCIS sting operation tracking illegal drug - running out of the Norfolk civilian marina. 342 12 `` Dark Secrets '' Bethany Rooney George Schenck & Frank Cardea January 9, 2018 ( 2018 - 01 - 09 ) 1511 14.24 After a seemingly happy and successful Navy Lieutenant appears to have taken her own life, Gibbs and the team conduct a thorough investigation, interviewing family and friends from her past and present. 343 13 `` Family Ties '' Rocky Carroll Brendan Fehily January 23, 2018 ( 2018 - 01 - 23 ) 1513 13.97 After McGee and Torres visit the home of a high schooler who witnessed a hit and run, her parents flee with their daughter, leaving NCIS in the lurch. Also, Vance 's daughter is arrested for shoplifting. 344 14 `` Keep Your Friends Close '' Mark Horowitz Gina Lucita Monreal February 6, 2018 ( 2018 - 02 - 06 ) 1514 13.90 After the body of a missing Navy commander is found, Vance orders Gibbs and the team to work with former FBI Agent Tobias `` T.C. '' Fornell, the private investigator who was hired to locate him. Also, Bishop and Torres interview convicted investment advisor Albert Hathaway ( Kevin Pollak ) when the victim is linked to his highly publicized trial. The episode ends in a cliffhanger, as Gabriel Hicks 's lawyers ' car is blown up, leaving Sloane in the middle of the road, unconscious. 345 15 `` Keep Your Enemies Closer '' Thomas J. Wright Jennifer Corbett February 27, 2018 ( 2018 - 02 - 27 ) 1515 12.45 NCIS strikes a deal with convicted murderer Paul Triff ( French Stewart ), giving him a 48 - hour furlough at his former residence, now McGee 's home, in exchange for information that can convict his former cellmate, Gabriel Hicks, the murderer who deceived Gibbs and Fornell 346 16 `` Handle with Care '' Alrick Riley Scott J. Jarrett & Matthew R. Jarrett March 6, 2018 ( 2018 - 03 - 06 ) 1516 12.92 Gibbs and the team work to clear the name of retired Marine Sergeant John Ross ( Drew Carey ) when cyanide is found in one of the hundreds of care packages he sends to active - duty Marines 347 17 `` One Man 's Trash '' Michael Zinberg Scott Williams March 13, 2018 ( 2018 - 03 - 13 ) 1517 13.26 Gibbs and Ducky see an antique war stick on television that could be the missing murder weapon to a 16 - year - old cold case. Mike Wolfe guest stars as himself 348 18 `` Death from Above '' Rocky Carroll Christopher J. Waild March 27, 2018 ( 2018 - 03 - 27 ) 1518 11.94 The NCIS headquarters are evacuated after the team discovers bomb materials on the roof of the squad room ; the team reads the first draft of Ducky 's book. 349 19 `` The Numerical Limit '' Leslie Libman David J. North & Steven D. Binder April 3, 2018 ( 2018 - 04 - 03 ) 1519 12.23 Gibbs is granted protective custody of a 10 - year - old orphaned refugee, Elena, when an NCIS case reveals she is the target of a violent gang. 350 20 `` Sight Unseen '' Bethany Rooney Brendan Fehily April 17, 2018 ( 2018 - 04 - 17 ) 1520 11.58 NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth ( Marilee Talkington ), a key blind witness who heard vital evidence needed to solve the case. 351 21 `` One Step Forward '' James Whitmore, Jr. Gina Lucita Monreal May 1, 2018 ( 2018 - 05 - 01 ) 1521 12.35 A daughter begs Gibbs to investigate her mother 's murder because she believes the police convicted the wrong man. Abby receives a hard - to - get reservation at a new restaurant that is cold like an igloo. The episode ends in a cliffhanger, with a mugger cornering Abby and Reeves in an alley, pulling a gun and demanding money. Reeves hands over his wallet, but Abby offers to help, instead of giving up her purse. A single gunshot sounds. 352 22 `` Two Steps Back '' Michael Zinberg Jennifer Corbett May 8, 2018 ( 2018 - 05 - 08 ) 1522 15.08 When evidence reveals an NCIS team member is a hitman 's latest target, the team must search through old case files to determine who is seeking vengeance. Reeves dies from injuries sustained in the gunfight with the mugger ; he instinctively protected Abby, who ends up in the hospital. The mugger was hired by Robert King ( see episode 6x21 `` Toxic '' ), who held a grudge against Abby since his arrest, and Abby privately brings him to justice. Looking over Reeves 's dead body in the autopsy room, Abby vows to carry on his wish to start a charity in his native London, deciding to leave NCIS to do so. Note : This is the final appearance by Pauley Perrette & Duane Henry as NCIS series regulars. 353 23 `` Fallout '' Terrence O'Hara Teleplay by : David J. North & Christopher J. Waild Story by : Christopher J. Waild May 15, 2018 ( 2018 - 05 - 15 ) 1523 12.71 While Gibbs attends the memorial service for a friend who was lost at sea, he discovers that the deceased, Navy Captain Phillip Brooks ( Don Lake ), has been hiding in a fallout shelter after his boat was attacked and he swam to shore. Meanwhile, the NCIS team has to come to terms with the reality of losing a fellow agent. 354 24 `` Date with Destiny '' Tony Wharmby Scott Williams & George Schenck & Frank Cardea May 22, 2018 ( 2018 - 05 - 22 ) 1524 12.07 While on a blind date set up by McGee and Delilah, Sloane encounters a random man who she recognizes as one of her captors from her deployment in Afghanistan and gets arrested for attacking the unidentified man. Meanwhile, the NCIS team investigates a naval destroyer for a potential bomb threat. The bomb threat is later revealed to be a false report given by the captain 's son in order to spend more time with his father. Vance, Sloane, and McGee investigate the identity of Sloane 's captor, and learn that the unidentified man is Nigel Hakim ( Pej Vahdat ), a British humanitarian worker attached to the British embassy. After replaying an audio recording for a Marine officer who was captured with Sloane, they properly identify Hakim as the captor. While Sloane attempts to assassinate Hakim, Gibbs intervenes and offers his assistance in apprehending him. Sloane 's efforts are proven to be futile when the team learns that Hakim had already left the country on another plane. The episode ends in a cliffhanger when unknown to the team, Hakim has already kidnapped Vance. Reception Season 15 was praised for its sharp cases and bringing new life into characters and series, with Matt Carter of CarterMatt.com citing `` the arrival of Maria Bello and the creative direction of the new showrunners ; this has been the best season overall since season 10 '' as chief reasons for this revival. Sara Netzley of Entertainment Weekly said, in reference to the positive changes, `` now here 's the show we 've enjoyed for years, '' noting that it was `` dark and twisty. '' giving it an ' A ' rating. It received both a fresh critic and audience rating on Rotten Tomatoes. As well as scoring an 8.9 average rating on TV.com and a 8.1 rating on IMDB - both significant upticks from the previous season. Season 15 of NCIS was CBS 's most watched and highest rated drama on their network for another year. Whilst being the most watched drama nationally, beating out NBC 's megahit This Is Us ( TV series ) and ABC 's The Good Doctor ( TV series ), it also finished as the 6th most watched television program overall for 2017 / 18 season. Home media A DVD and BluRay of the fifteenth season of NCIS was announced for August 21, 2018. Ratings No. Title Air date Rating / share ( 18 -- 49 ) Viewers ( millions ) DVR ( 18 -- 49 ) DVR viewers ( millions ) Total ( 18 -- 49 ) Total viewers ( millions ) `` House Divided '' September 26, 2017 1.6 / 6 13.29 0.9 4.13 2.5 17.42 `` Twofer '' October 3, 2017 1.4 / 5 13.50 0.8 3.89 2.2 17.40 `` Exit Strategy '' October 10, 2017 1.4 / 6 13.30 0.8 3.79 2.2 17.40 `` Skeleton Crew '' October 17, 2017 1.4 / 5 12.85 0.8 4.13 2.2 16.98 5 `` Fake It ' til You Make It '' October 24, 2017 1.4 / 5 13.30 0.7 3.84 2.1 17.14 6 `` Trapped '' October 31, 2017 1.2 / 5 12.11 0.8 3.85 2.0 15.96 7 `` Burden of Proof '' November 7, 2017 1.5 / 6 13.47 0.7 3.98 2.2 17.45 8 `` Voices '' November 14, 2017 1.5 / 6 13.08 0.8 3.65 2.3 16.74 9 `` Ready or Not '' November 21, 2017 1.4 / 5 12.54 0.6 3.54 2.0 16.01 10 `` Double Down '' December 12, 2017 1.4 / 5 13.08 0.6 3.65 2.0 16.74 11 `` High Tide '' January 2, 2018 1.5 / 6 14.10 0.8 3.87 2.3 17.98 12 `` Dark Secrets '' January 9, 2018 1.5 / 6 14.24 0.8 3.95 2.3 18.13 13 `` Family Ties '' January 23, 2018 1.5 / 6 13.97 0.8 4.20 2.3 18.17 14 `` Keep Your Friends Close '' February 6, 2018 1.5 / 6 13.90 0.8 4.11 2.3 18.01 15 `` Keep Your Enemies Closer '' February 27, 2018 1.2 / 5 12.45 0.9 4.26 2.1 16.72 16 `` Handle with Care '' March 6, 2018 1.4 / 6 12.92 0.8 4.43 2.2 17.35 17 `` One Man 's Trash '' March 13, 2018 1.5 / 6 13.26 0.7 4.02 2.2 17.28 18 `` Death From Above '' March 27, 2018 1.3 / 5 11.94 0.8 4.35 2.1 16.29 19 `` The Numerical Limit '' April 3, 2018 1.3 / 5 12.23 0.7 3.73 2.0 15.87 20 `` Sight Unseen '' April 17, 2018 1.2 / 4 11.58 0.7 3.76 1.9 15.15 21 `` One Step Forward '' May 1, 2018 1.2 / 5 12.35 0.8 TBD 2.0 TBD 22 `` Two Steps Back '' May 8, 2018 1.6 / 7 15.08 0.9 4.32 2.5 19.40 23 `` Fallout '' May 15, 2018 1.3 / 5 12.71 TBD TBD TBD TBD 24 `` Date with Destiny '' May 22, 2018 1.3 / 5 12.07 0.7 3.83 2.0 15.90 References Jump up ^ Porter, Rick ( October 13, 2017 ). `` ' This Is Us ' and ' The Good Doctor ' score big in premiere week broadcast Live + 7 ratings ''. Jump up ^ `` Archived copy ''. Archived from the original on July 28, 2017. Retrieved 2017 - 07 - 28. Jump up ^ `` Archived copy ''. Archived from the original on July 27, 2017. Retrieved July 28, 2017. Jump up ^ `` Maria Bello Joins ' NCIS ' as Series Regular for Season 15 ''. Jump up ^ Cohn, Paulette. `` NCIS Bosses Frank Cardea and George Schenck on the Season 14 Finale and What Lies Ahead ''. Jump up ^ Schwartz, Ryan ( October 4, 2017 ). `` NCIS : Yes, Pauley Perrette Is Truly Leaving -- Find Out When ''. TV Line. Jump up ^ Mitovich, Matt Webb ( April 7, 2018 ). `` NCIS ' Pauley Perrette Wraps 15 - Year Run, Shares Photos From Set ''. Jump up ^ Turchiano, Danielle ( April 13, 2018 ). `` CBS Renews ' NCIS ' For Season 16 ''. ^ Jump up to : Porter, Rick ( September 27, 2017 ). `` ' Bull, ' ' Voice, ' ' This Is Us ' adjust up, ' L&O True Crime ' and ' Brooklyn Nine - Nine ' down : Tuesday final ratings ''. TV by the Numbers. Retrieved September 27, 2017. ^ Jump up to : Porter, Rick ( October 4, 2017 ). `` ' Fresh Off the Boat, ' ' Voice ' adjust up, ' Brooklyn Nine - Nine, ' ' L&O True Crime ' adjust down : Tuesday final ratings ''. TV by the Numbers. Retrieved October 4, 2017. ^ Jump up to : Porter, Rick ( October 11, 2017 ). `` TV Ratings Tuesday : ' The Flash ' returns lower, series low for ' Lethal Weapon ' ''. TV by the Numbers. Retrieved October 11, 2017. ^ Jump up to : Porter, Rick ( October 18, 2017 ). `` ' NCIS, ' ' Voice ' and ' This Is Us ' adjust up, ' Black - ish ' and ' L&O True Crime ' down : Tuesday final ratings ''. TV by the Numbers. Retrieved October 18, 2017. ^ Jump up to : Porter, Rick ( October 25, 2017 ). `` ' This Is Us, ' ' Fresh Off the Boat, ' ' Kevin ' & World Series adjust up, ' L&O True Crime ' down : Tuesday final ratings ''. TV by the Numbers. Retrieved October 25, 2017. ^ Jump up to : Porter, Rick ( November 1, 2017 ). `` ' The Middle ' and World Series adjust up, ' Law & Order True Crime ' down : Tuesday final ratings ''. TV by the Numbers. Retrieved November 1, 2017. ^ Jump up to : Porter, Rick ( November 8, 2017 ). `` ' The Middle ' adjusts up, ' The Mayor ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved November 8, 2017. ^ Jump up to : Porter, Rick ( November 15, 2017 ). `` ' Fresh Off the Boat, ' ' The Flash ' and ' Kevin ' adjust up, ' Bull ' and ' L&O True Crime ' adjust down : Tuesday final ratings ''. TV by the Numbers. Retrieved November 15, 2017. ^ Jump up to : Porter, Rick ( November 22, 2017 ). `` ' Dancing With the Stars, ' ' This Is Us, ' all others hold : Tuesday final ratings ''. TV by the Numbers. Retrieved November 22, 2017. ^ Jump up to : Porter, Rick ( December 13, 2017 ). `` ' The Voice, ' ' Brooklyn Nine - Nine, ' all others unchanged : Tuesday final ratings ''. TV by the Numbers. Retrieved December 13, 2017. ^ Jump up to : Porter, Rick ( January 4, 2018 ). `` ' Bull ' adjusts up : Tuesday final ratings ''. TV by the Numbers. Retrieved January 4, 2018. ^ Jump up to : Porter, Rick ( January 10, 2018 ). `` ' Kevin ( Probably ) Saves the World ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved January 10, 2018. ^ Jump up to : Welch, Alex ( January 24, 2018 ). `` ' LA to Vegas ' and ' Bull ' adjust down : Tuesday final ratings ''. TV by the Numbers. Retrieved January 24, 2018. ^ Jump up to : Porter, Rick ( February 7, 2018 ). `` ' NCIS ' and ' Bull ' adjust up : Tuesday final ratings ''. TV by the Numbers. Retrieved February 7, 2018. ^ Jump up to : Porter, Rick ( February 28, 2018 ). `` ' The Voice ' and ' Kevin ( Probably ) Saves the World ' adjust up : Tuesday final ratings ''. TV by the Numbers. Retrieved February 28, 2018. ^ Jump up to : Porter, Rick ( March 7, 2018 ). `` ' This Is Us ' adjusts up, ' Lethal Weapon ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved March 7, 2018. ^ Jump up to : Porter, Rick ( March 14, 2018 ). `` ' This Is Us, ' ' The Voice, ' ' NCIS, ' ' Black - ish ' adjust up, ' Rise ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved March 14, 2018. ^ Jump up to : Porter, Rick ( March 28, 2018 ). `` ' Roseanne, ' ' The Voice ' & ' The Mick ' adjust up, ' Bull ' and ' Splitting Up Together ' down : Tuesday final ratings ''. TV by the Numbers. Retrieved March 28, 2018. ^ Jump up to : Porter, Rick ( April 4, 2018 ). `` ' Rise ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved April 4, 2018. ^ Jump up to : Porter, Rick ( April 18, 2018 ). `` ' NCIS, ' ' Alex, Inc., ' ' Lethal Weapon, ' ' The Flash ' adjust up, ' For the People ' down : Tuesday final ratings ''. TV by the Numbers. Retrieved April 18, 2018. ^ Jump up to : Porter, Rick ( May 2, 2018 ). `` ' Roseanne ' and ' Chicago Med ' adjust up, ' The 100 ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved May 2, 2018. Jump up ^ Porter, Rick ( May 9, 2018 ). `` ' The Voice ' and ' Chicago Med ' adjust up, ' Bull ' adjusts down : Tuesday final ratings ''. TV By The Numbers. Retrieved May 13, 2018. ^ Jump up to : Porter, Rick ( May 16, 2018 ). `` ' The Middle, ' ' NCIS, ' ' Chicago Med ' adjust up, ' The 100 ' adjusts down : Tuesday final ratings ''. TV by the Numbers. Retrieved May 16, 2018. ^ Jump up to : Porter, Rick ( May 23, 2018 ). `` ' Roseanne ' and ' NCIS ' finales adjust up : Tuesday final ratings ''. TV by the Numbers. Retrieved May 23, 2018. Jump up ^ `` NCIS and Absentia face off in TV Madness 2018 round 1 ''. March 11, 2018. Jump up ^ Mitovich, Matt Webb ( November 4, 2016 ). `` NCIS Vets Named New Showrunners ''. Jump up ^ `` ' NCIS ' recap : Gibbs and Fornell lock horns over an old case ''. Jump up ^ `` NCIS : Season 15 - Rotten Tomatoes ''. Jump up ^ TV.com. `` NCIS ''. TV.com. Jump up ^ `` NCIS ( TV Series 2003 -- ) '' -- via www.imdb.com. Jump up ^ `` CBS 2017 - 18 Season Ratings ( updated 6 / 9 / 18 ) - canceled TV shows - TV Series Finale ''. June 9, 2018. Jump up ^ Porter, Rick ( May 29, 2018 ). `` Final same - day total viewer averages for 2017 - 18 : ' Sunday Night Football ' No. 1 for 7th straight year ''. Jump up ^ `` Amazon.com : NCIS : Naval Criminal Investigative Service : The Fifteenth Season : Maria Bello, Rocky Carroll, Mark Harmon, David McCallum : Movies & TV ''. www.amazon.com. Jump up ^ Porter, Rick ( October 13, 2017 ). `` ' This Is Us ' and ' The Good Doctor ' score big in premiere week broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 13, 2017. Jump up ^ Porter, Rick ( October 18, 2017 ). `` ' The Orville, ' ' Once Upon a Time, ' 5 more shows double in week 2 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 29, 2017. Jump up ^ Porter, Rick ( October 25, 2017 ). `` ' The Good Doctor ' is the most - watched show on TV in week 3 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 29, 2017. Jump up ^ Porter, Rick ( November 2, 2017 ). `` ' Chicago PD, ' 10 more shows double in week 4 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 12, 2017. Jump up ^ Porter, Rick ( November 9, 2017 ). `` ' Grey 's Anatomy ' keeps rolling along in week 5 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 12, 2017. Jump up ^ `` Live + 7 DVR Ratings - 2017 / 18 Season * Updated 27th January 2018 * ''. January 27, 2018. Jump up ^ Porter, Rick ( November 27, 2017 ). `` ' This Is Us ' rides high in week 7 broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( December 5, 2017 ). `` ' Jane the Virgin, ' 10 other shows double in week 8 broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( December 7, 2017 ). `` ' Chicago Med ' premiere makes solid gains in week 9 broadcast Live + 7 ratings ''. Jump up ^ `` Live + 7 DVR Ratings - 2017 / 18 Season * Updated 22nd March 2018 * ''. March 22, 2018. Retrieved March 29, 2018. Jump up ^ Otterson, Joe ( January 22, 2018 ). `` Delayed Viewing Ratings : ' Big Bang Theory ' Winter Premiere Starts 2018 Strong ''. Retrieved March 29, 2018. Jump up ^ Porter, Rick ( February 1, 2018 ). `` ' The Brave ' goes from low to... less low : Week 16 broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( February 8, 2018 ). `` ' This Is Us ' sets NBC records in week 18 broadcast Live + 7 ratings ''. Retrieved March 29, 2018. Jump up ^ Porter, Rick ( February 22, 2018 ). `` ' The Good Doctor ' and ' This Is Us ' on top again : Week 20 broadcast Live + 7 ratings ''. Retrieved March 29, 2018. Jump up ^ Porter, Rick ( March 15, 2018 ). `` ' Agents of SHIELD, ' 16 other shows double in week 23 broadcast Live + 7 ratings ''. Retrieved March 29, 2018. Jump up ^ Porter, Rick ( March 22, 2018 ). `` ' This Is Us ' leads the week 24 broadcast Live + 7 ratings -- by quite a bit ''. Retrieved March 29, 2018. Jump up ^ Porter, Rick ( March 29, 2018 ). `` ' This Is Us ' goes out on top : Week 25 broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( April 11, 2018 ). `` ' Roseanne ' premiere sets a record in week 27 broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( April 19, 2018 ). `` ' Will & Grace ' finale, 11 other shows double in week 28 broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( May 7, 2018 ). `` ' Scandal ' and ' Criminal Minds ' get biggest finale bumps in week 30 broadcast Live + 7 ratings ''. Jump up ^ Otterson, Joe ( May 21, 2018 ). `` Delayed Viewing Ratings : ' Roseanne ' Returns on Top ''. Jump up ^ Porter, Rick ( May 24, 2018 ). `` ' Chicago PD ' wins the Windy City battle in week 33 's broadcast Live + 7 ratings ''. Jump up ^ Porter, Rick ( June 7, 2018 ). `` ' Roseanne ' finale tops the week 35 broadcast Live + 7 ratings ''. NCIS franchise NCIS Characters Leroy Jethro Gibbs Caitlin `` Kate '' Todd Anthony `` Tony '' DiNozzo Abigail `` Abby '' Sciuto Timothy `` Tim '' McGee Ziva David Cast list Episodes Introductory `` Ice Queen '' Season 1 `` Yankee White '' Season 2 `` Twilight '' Season 3 `` Kill Ari ( Parts I & II ) '' `` Under Covers '' `` Hiatus ( Parts I & II ) '' Season 4 `` Grace Period '' `` Angel of Death '' Season 5 `` Requiem '' Season 6 `` Last Man Standing '' `` Aliyah '' Season 7 `` Truth or Consequences '' `` Good Cop, Bad Cop '' Season 8 `` Enemies Foreign '' `` Freedom '' `` A Man Walks Into a Bar... '' `` One Last Score '' `` Baltimore '' Season 9 `` Nature of the Beast '' `` Enemy on the Hill '' `` Devil 's Triangle '' `` Newborn King '' `` Housekeeping '' `` A Desperate Man '' `` Life Before His Eyes '' `` Secrets '' `` Psych Out '' `` Need to Know '' `` The Tell '' `` The Good Son '' `` The Missionary Position '' `` Rekindled '' `` Playing with Fire '' `` Up in Smoke '' `` Till Death Do Us Part '' Season 10 `` Extreme Prejudice '' `` Recovery '' `` Phoenix '' `` Lost at Sea '' `` The Namesake '' `` Shell Shock ( Part I ) '' `` Shell Shock ( Part II ) '' `` Gone '' `` Devil 's Trifecta '' `` You Better Watch Out '' `` Shabbat Shalom '' `` Shiva '' `` Hit and Run '' `` Canary '' `` Hereafter '' `` Detour '' `` Prime Suspect '' `` Seek '' `` Squall '' `` Chasing Ghosts '' `` Berlin '' `` Revenge '' `` Double Blind '' `` Damned If You Do '' Season 11 `` Whiskey Tango Foxtrot '' `` Past, Present, and Future '' `` Under the Radar '' `` Anonymous Was a Woman '' `` Once a Crook '' `` Oil & Water '' `` Better Angels '' `` Alibi '' `` Gut Check '' `` Devil 's Triad '' Season 12 Season 13 Season 14 Season 15 Related Tony DiNozzo and Ziva David Ziva David captivity storyline Other media Home video releases Soundtrack NCIS : Los Angeles Characters G. Callen Kensi Blye Sam Hanna Episodes Introductory Season 1 5 6 7 8 9 Notable episodes `` Identity '' `` Blye, K., Part 2 '' Other media Home video releases NCIS : New Orleans Characters Episodes Season 1 `` Boom Boom '' ( theme song ) Related JAG Retrieved from `` https://en.wikipedia.org/w/index.php?title=NCIS_(season_15)&oldid=856592558 '' Categories : 2017 American television seasons 2018 American television seasons NCIS ( TV series ) seasons Hidden categories : Use mdy dates from September 2017 Talk Contents About Wikipedia Français Italiano Magyar Português Русский Srpskohrvatski / српскохрватски Edit links This page was last edited on 26 August 2018, at 09 : 10 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: how many episodes does ncis season 15 have
Answer: 24