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. 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 Senior Special Agent ( SSA ) of the Office of Special Projects ( O.S.P. ) in Los Angeles 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 Renee 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 and Operations Manager LL Cool J as Sam Hanna, NCIS 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 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 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 7.53 203 11 `` All is Bright '' Ruba Nadda Chad Mazero December 17, 2017 ( 2017 - 12 - 17 ) 909 TBD 204 12 `` Under Pressure '' Diana C. Valentine Joe Sachs January 7, 2018 ( 2018 - 01 - 07 ) 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 12 `` Under Pressure '' January 7, 2018 References Jump up ^ `` CBS Announces Fall 2017 -- 2018 Primetime Premiere Dates ''. The Futon Critic. June 1, 2017. Retrieved June 1, 2017. ^ 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 ^ `` '' Under Pressure `` ''. The Futon Critic. Retrieved December 12, 2017. 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=815946477 '' Categories : NCIS : Los Angeles Talk Contents About Wikipedia Français Italiano Português Srpskohrvatski / српскохрватски Edit links This page was last edited on 18 December 2017, at 06 : 43. About Wikipedia

Question: when does season 9 of ncis los angeles start
Answer: October 1, 2017