NCIS : Los Angeles ( season 9 ) - wikipedia NCIS : Los Angeles ( season 9 ) NCIS : Los Angeles ( season 9 ) Starring Chris O'Donnell Daniela Ruah Eric Christian Olsen Barrett Foa Renée Felice Smith Nia Long Linda Hunt LL Cool J Country of origin United States No. of episodes 24 Release Original network CBS Original release October 1, 2017 ( 2017 - 10 - 01 ) -- present Season chronology ← Previous Season 8 List of NCIS : Los Angeles episodes The ninth season of NCIS : Los Angeles premiered on October 1, 2017 on CBS for the 2017 -- 18 television season. The season is due to contain 24 episodes. The season contained the show 's 200th episode. The season is set to conclude on May 20, 2018. Contents 1 Cast 1.1 Main 1.2 Recurring 2 Episodes 3 Ratings 4 References Cast Main Chris O'Donnell as Grisha `` G. '' Callen, NCIS Special Agent in Charge ( SAC ) Daniela Ruah as Kensi Blye, NCIS Special Agent Eric Christian Olsen as Marty Deeks, L.A.P.D. Liaison Detective Barrett Foa as Eric Beale, NCIS Technical Operator Renée Felice Smith as Nell Jones, NCIS Special Agent and Intelligence Analyst Nia Long as Shay Mosley, NCIS Executive Assistant Director for Pacific Operations ( EADPAC ) Linda Hunt as Henrietta Lange, NCIS Supervisory Special Agent ( SSA ) and Operations Manager LL Cool J as Sam Hanna, NCIS Senior Special Agent, second in command Recurring Vyto Ruginis as Arkady Kolcheck Peter Cambor as Nate Getz, NCIS Special Agent Bar Paly as Anastasia `` Anna '' Kolcheck, NCIS consultant and Callen 's girlfriend. John M. Jackson as Retired Rear Admiral A.J. Chegwidden, USN, JAG Andrea Bordeaux as Harley Hidoko, NCIS Special Agent and Executive Assistant to the EADPAC. Jeff Kober as Harris Keane Pamela Reed as Roberta Deeks, Deeks ' mother. Daniel J. Travanti as Nikita Aleksandr Reznikov / Garrison, Callen 's father Ravil Isyanov as Anatoli Kirkin Episodes No. overall No. in season Title Directed by Written by Original air date Prod. code U.S. viewers ( millions ) 193 `` Party Crashers '' John Peter Kousakis R. Scott Gemmill October 1, 2017 ( 2017 - 10 - 01 ) 901 8.95 Hetty turns in retirement papers and disappears, Shay Mosley comes to Los Angeles to oversee the team and makes staffing changes ; Sam insists that Callen find a new partner. 194 `` Se Murio El Payaso '' Rick Tunell Kyle Harimoto October 8, 2017 ( 2017 - 10 - 08 ) 825 8.46 When the daughter of a notorious counterfeiter arrives in Los Angeles, Sam is sent undercover as a financier, while Callen partners with Anna ( Bar Paly ) to track the family 's latest scheme. 195 `` Assets '' Tawnia McKiernan Kyle Harimoto October 15, 2017 ( 2017 - 10 - 15 ) 902 8.65 During the murder investigation of a Navy Lieutenant on leave in Los Angeles, the NCIS team uncovers classified surveillance briefs she smuggled into the city that may have been sold to a foreign buyer. Meanwhile, Sam decides to sell his house. 196 `` Plain Sight '' Dennis Smith Joseph C. Wilson October 22, 2017 ( 2017 - 10 - 22 ) 903 8.18 After weapons with a $1 million street value are stolen, the team tracks the evidence to a wealthy charity event, prompting Mosley to be added to the guest list with Callen and Sam as her security detail. 197 5 `` Mountebank '' Terrence O'Hara Jordana Lewis Jaffe October 29, 2017 ( 2017 - 10 - 29 ) 904 7.50 Sam goes undercover as a day trader after a prominent investment banker with ties to a Russian oligarch is murdered. Also, one of Callen 's aliases is the victim of credit card theft, and Mosley is concerned it signals something bigger. 198 6 `` Can I Get a Witness ? '' James Hanlon Chad Mazero November 5, 2017 ( 2017 - 11 - 05 ) 826 8.03 LAPD Detective Whiting calls in a favor from Deeks after his former partner, LAPD Lieutenant Bates, goes rogue and only Deeks can bring him in. 199 7 `` The Silo '' James Whitmore, Jr. Frank Military November 12, 2017 ( 2017 - 11 - 12 ) 905 7.86 After an Air Force captain Kensi dated a decade ago breaches a missile launch facility, she is transported to the location to help thwart the use of nuclear weapons. 200 8 `` This Is What We Do '' John Peter Kousakis R. Scott Gemmill November 19, 2017 ( 2017 - 11 - 19 ) 906 6.95 When a group of migrants and Border Patrol officers are slaughtered near Camp Pendleton, the team discovers that the killers are there for one of their old enemies ; Nell must work with her bossy older sister Sydney, a Homeland Security analyst. 201 9 `` Fool Me Twice '' Benny Boom Andrew Bartels November 26, 2017 ( 2017 - 11 - 26 ) 907 7.64 Callen and the team question Joelle 's backstory after she escapes from a kidnapping and turns to Callen for help. 202 10 `` Forasteira '' Eric Pot Erin Broadhurst December 10, 2017 ( 2017 - 12 - 10 ) 908 7.53 The team tracks a highly - skilled assailant determined to avenge her father 's death by killing a Brazilian diplomat. Meanwhile, Deeks helps Guy, his mother 's boyfriend, with a theft. 203 11 `` All Is Bright '' Ruba Nadda Chad Mazero December 17, 2017 ( 2017 - 12 - 17 ) 909 7.21 The team investigates a ransomware attack that disrupts the entire power grid and paralyzes the city ; Sam struggles to find a way for his family to celebrate the holidays after his wife 's death. 204 12 `` Under Pressure '' Diana C. Valentine Joe Sachs January 7, 2018 ( 2018 - 01 - 07 ) 911 7.87 After napalm is detected at a crime scene, the team investigates the sole casualty for possible links to terrorism. 205 13 `` Các Tù Nhân '' James Hanlon R. Scott Gemmill January 14, 2018 ( 2018 - 01 - 14 ) 910 9.12 Eric and Nell find a cryptic clue Hetty left behind in a book that points to Ho Chi Minh City, Vietnam. At first, they clash with Mosley as they try to find out what Hetty is doing there, but Mosley comes around and gets them tickets to Vietnam. Meanwhile, Hetty tries to look insane while being interrogated by her `` buyer '', who 's after the secret information she has. The title of the episode, `` Các Tù Nhân '' is Vietnamese for `` Prisoners. '' 206 14 `` Goodbye, Vietnam '' John Peter Kousakis R. Scott Gemmill March 11, 2018 ( 2018 - 03 - 11 ) 912 8.03 The OSP team must work with Hetty 's old unit to locate her before she is sold off, while Nell and Eric must work with Sydney to uncover information that would help the team. 207 15 `` Liabilities '' Lily Mariye Kyle Harimoto March 18, 2018 ( 2018 - 03 - 18 ) 913 8.02 The team 's follow up on an old case leads them to Jennifer Kim ( Malese Jow ), Granger 's estranged daughter, who may be the only one able to help them prevent a rogue North Korean agent from causing a terrorist attack in Los Angeles. Hetty readjusts to the OSP office following her return, especially to Mosley. In the end of the episode, Callen and Sam learn that Granger is dead. 208 16 `` Warrior of Peace '' Terence Nightingall Andrew Bartels March 25, 2018 ( 2018 - 03 - 25 ) 914 8.58 Callen 's father is apprehended as part of an exchange for two American photographers being held hostage in Iran. 209 17 `` The Monster '' Dennis Smith Adam George Key & Frank Military April 1, 2018 ( 2018 - 04 - 01 ) 915 7.12 While Investigating a missing person 's case, the team uncovers a killer who puts on a show for high paying voyeurs. 210 18 `` Vendetta '' James Whitmore, Jr. Jordana Lewis Jaffe April 8, 2018 ( 2018 - 04 - 08 ) 916 8.14 NCIS partners with the Bureau of Alcohol, Tobacco and Firearms ( ATF ) on a case when a notorious international weapons Dealer returns to the states. 211 19 `` Outside the Lines '' Suzanne Saltz Joseph C. Wilson April 22, 2018 ( 2018 - 04 - 22 ) 917 7.57 Sam and Hidoko are sent undercover after a cryptocurrency farm is robbed of over $10 million in Bitcoin codes. 212 20 `` Reentry '' Eric Pot Lee A. Carlisle & Andrew Bartels April 29, 2018 ( 2018 - 04 - 29 ) 918 TBD 213 21 `` Where Everybody Knows Your Name '' Rick Tunell Chad Mazero & Jordana Lewis Jaffe May 6, 2018 ( 2018 - 05 - 06 ) 919 TBD 214 22 `` Venganza '' Yangzom Brauen Erin Broadhurst & Kyle Harimoto May 13, 2018 ( 2018 - 05 - 13 ) 920 TBD 215 23 `` A Line In The Sand '' Frank Military Frank Military May 20, 2018 ( 2018 - 05 - 20 ) TBA TBD 216 24 `` Ninguna Salida '' John Peter Kousakis Joe Sachs & R. Scott Gemmill May 20, 2018 ( 2018 - 05 - 20 ) TBA TBD Ratings No. Episode Air date 18 -- 49 rating Viewers ( millions ) `` Party Crashers '' October 1, 2017 1.3 / 4 8.95 `` Se Murio El Payaso '' October 8, 2017 1.0 / 4 8.46 `` Assets '' October 15, 2017 1.1 / 4 8.65 `` Plain Sight '' October 22, 2017 1.1 / 3 8.18 5 `` Mountebank '' October 29, 2017 0.8 / 3 7.50 6 `` Can I Get a Witness ? '' November 5, 2017 0.9 / 3 8.03 7 `` The Silo '' November 12, 2017 0.9 / 3 7.86 8 `` This Is What We Do '' November 19, 2017 0.7 / 2 6.95 9 `` Fool Me Twice '' November 26, 2017 0.9 / 3 7.64 10 `` Forasteira '' December 10, 2017 0.8 / 3 7.53 11 `` All is Bright '' December 17, 2017 0.9 / 3 7.21 12 `` Under Pressure '' January 7, 2018 0.9 / 3 7.87 13 `` Cac Tu Nhan '' January 14, 2018 1.1 / 4 9.12 14 `` Goodbye, Vietnam '' March 11, 2018 0.9 / 3 8.03 15 `` Liabilities '' March 18, 2018 0.9 / 3 8.02 16 `` Warrior of Peace '' March 25, 2018 1.1 / 4 8.58 17 `` The Monster '' April 1, 2018 0.8 / 3 7.12 18 `` Vendetta '' April 8, 2018 0.9 / 3 8.14 19 `` Outside the Lines '' April 22, 2018 0.8 / 3 7.57 References Jump up ^ `` CBS Announces Fall 2017 -- 2018 Primetime Premiere Dates ''. The Futon Critic. June 1, 2017. Retrieved June 1, 2017. Jump up ^ Pena, Jessica ( March 22, 2018 ). `` ' Scorpion ', ' Criminal Minds ', ' MacGyver ' : CBS Announces ( Series ? ) Finale Dates ''. TVseriesfinale.com. Retrieved March 22, 2018. ^ Jump up to : Porter, Rick ( October 3, 2017 ). `` ' NCIS : LA ' and ' 60 Minutes ' adjust up, ' Wisdom of the Crowd ' and ' Ten Days in the Valley ' down : Sunday final ratings ''. TV by the Numbers. Retrieved October 3, 2017. ^ Jump up to : Porter, Rick ( October 10, 2017 ). `` NFL adjusts up, all others unchanged : Sunday final ratings ''. TV by the Numbers. Retrieved October 10, 2017. ^ Jump up to : Porter, Rick ( October 17, 2017 ). `` ' Madam Secretary ' and ' Wisdom of the Crowd ' adjust down, ' 60 Minutes, ' AFV ' and NFL up : Sunday final ratings ''. TV by the Numbers. Retrieved October 17, 2017. ^ Jump up to : Porter, Rick ( October 24, 2017 ). `` ' NCIS : LA ' and ' Shark Tank ' adjust up, ' Madam Secretary ' adjusts down : Sunday final ratings ''. TV by the Numbers. Retrieved October 24, 2017. ^ Jump up to : Porter, Rick ( October 31, 2017 ). `` ' Wisdom of the Crowd, ' ' 60 Minutes ' adjust down, final World Series & NFL numbers : Sunday final ratings ''. TV by the Numbers. Retrieved October 31, 2017. ^ Jump up to : Porter, Rick ( November 7, 2017 ). `` ' Family Guy, ' ' 60 Minutes ' adjust up, ' Bob 's Burgers ' and ' Madam Secretary ' adjust down : Sunday final ratings ''. TV by the Numbers. Retrieved November 7, 2017. ^ Jump up to : Porter, Rick ( November 14, 2017 ). `` ' Wisdom of the Crowd ' adjusts down : Sunday final ratings ''. TV by the Numbers. Retrieved November 14, 2017. ^ Jump up to : Porter, Rick ( November 21, 2017 ). `` ' Sunday Night Football ' adjusts up, ' 60 Minutes ' and ' Madam Secretary ' adjust down : Sunday final ratings ''. TV by the Numbers. Retrieved November 21, 2017. ^ Jump up to : Porter, Rick ( November 29, 2017 ). `` ' NCIS : LA, ' ' 60 Minutes ' and ' Sunday Night Football ' adjust up : Sunday final ratings ''. TV by the Numbers. Retrieved November 29, 2017. ^ Jump up to : Porter, Rick ( December 12, 2017 ). `` ' Bob 's Burgers, ' ' The Simpsons ' and ' 60 Minutes ' adjust down : Sunday final ratings ''. TV by the Numbers. Retrieved December 12, 2017. ^ Jump up to : Porter, Rick ( December 19, 2017 ). `` ' Wisdom of the Crowd ' and ' 60 Minutes ' adjust down, NFL up : Sunday final ratings ''. TV by the Numbers. Retrieved December 19, 2017. ^ Jump up to : Porter, Rick ( January 9, 2018 ). `` ' Shark Tank ' adjusts up, ' Simpsons, ' ' Ghosted, ' Golden Globes arrivals down : Sunday final ratings ''. TV by the Numbers. Retrieved January 9, 2018. ^ Jump up to : Porter, Rick ( January 17, 2018 ). `` ' NCIS : LA ' and ' Family Guy ' adjust up, other FOX shows adjust down : Sunday final ratings ''. TV by the Numbers. Retrieved January 17, 2018. ^ Jump up to : Porter, Rick ( March 13, 2018 ). `` ' Bob 's Burgers ' and ' Ninja Warrior ' adjust up, ' Deception ' adjusts down : Sunday final ratings ''. TV by the Numbers. Retrieved March 13, 2018. ^ Jump up to : Porter, Rick ( March 20, 2018 ). `` ' Bob 's Burgers, ' ' NCIS : LA ' and ' AFV ' adjust up, ' Deception ' and ' 60 Minutes ' down : Sunday final ratings ''. TV by the Numbers. Retrieved March 20, 2018. ^ Jump up to : Porter, Rick ( March 27, 2018 ). `` ' NCIS : LA ' and ' Bob 's Burgers ' adjust up, ' Instinct, ' ' Simpsons ' and ' Deception ' down : Sunday final ratings ''. TV by the Numbers. Retrieved March 27, 2018. ^ Jump up to : Porter, Rick ( April 3, 2018 ). `` ' Bob 's Burgers ' and ' Dateline ' adjust up : Sunday final ratings ''. TV by the Numbers. Retrieved April 3, 2018. ^ Jump up to : Porter, Rick ( April 10, 2018 ). `` ' America 's Funniest Home Videos ' rerun adjusts up : Sunday final ratings ''. TV by the Numbers. Retrieved April 10, 2018. ^ Jump up to : Porter, Rick ( April 24, 2018 ). `` ' Timeless, ' ' Family Guy ' and all others hold : Sunday final ratings ''. TV by the Numbers. Retrieved April 24, 2018. Jump up ^ `` ( # LA918 ) `` Reentry '' ``. The Futon Critic. Retrieved April 5, 2018. Jump up ^ `` ( # LA919 ) `` Where Everybody Knows Your Name '' ``. The Futon Critic. Retrieved April 13, 2018. Jump up ^ `` ( # LA920 ) `` Venganza '' ``. The Futon Critic. Retrieved April 20, 2018. 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 Related JAG Retrieved from `` https://en.wikipedia.org/w/index.php?title=NCIS:_Los_Angeles_(season_9)&oldid=838524017 '' Categories : NCIS : Los Angeles 2017 American television seasons 2018 American television seasons Hidden categories : Use mdy dates from January 2018 Talk Contents About Wikipedia Français Italiano Português Srpskohrvatski / српскохрватски Edit links This page was last edited on 27 April 2018, at 15 : 26. About Wikipedia

Question: when do new episodes of ncis los angeles return
Answer: October 1, 2017; May 13, 2018; May 13, 2018; May 13, 2018