7.4/10361 votes#1 - Party Crashers
Season 9 Episode 1 - Aired 10/1/2017
Season 9 begins with Hetty turning in retirement papers and disappearing. A new executive director arrives and immediately makes staffing changes. Meanwhile, Sam, still mourning his wife’s death, insists that Callen find a new partner.
Director: John Peter Kousakis
Writer: R. Scott Gemmill
7.6/10308 votes#2 - Se Murio El Payaso
Season 9 Episode 2 - Aired 10/8/2017
When the daughter of a notorious counterfeiter arrives in Los Angeles, Sam is sent undercover as a financier, while Callen partners with Anna to track the family's latest scheme.
Director: Rick Tunell
Writer: Kyle Harimoto
7.5/10311 votes#3 - Assets
Season 9 Episode 3 - Aired 10/15/2017
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.
Director: Tawnia McKiernan
Writer: Kyle Harimoto
7.7/10295 votes#4 - Plain Sight
Season 9 Episode 4 - Aired 10/22/2017
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.
Director: Dennis Smith
Writer: Joseph C. Wilson
7.7/10296 votes#5 - Mountebank
Season 9 Episode 5 - Aired 10/29/2017
Sam goes undercover as a day trader after a prominent investment banker with ties to a Russian oligarch is murdered. Meanwhile, one of Callen’s aliases is the victim of credit card theft, and Mosley is concerned it signals something bigger.
Director: Terrence O'Hara
Writer: Jordana Lewis Jaffe
7.6/10291 votes#6 - Can I Get A Witness?
Season 9 Episode 6 - Aired 11/5/2017
LAPD Detective Whiting calls in a favor when Deeks' former partner goes rogue.
Director: James Hanlon
Writer: Chad Mazero
7.9/10352 votes#7 - The Silo
Season 9 Episode 7 - Aired 11/12/2017
Kensi is transported to a missile launch facility to help thwart a takeover of nuclear weapons.
Director: James Whitmore Jr.
Writer: Frank Military
7.6/10298 votes#8 - This Is What We Do
Season 9 Episode 8 - Aired 11/19/2017
The team must find assailants who illegally crossed the border and attacked California Highway Patrol officers; Homeland Security sends Nell's older and bossy sister to assist with the case.
Director: John Peter Kousakis
Writer: R. Scott Gemmill
7.8/10290 votes#9 - Fool Me Twice
Season 9 Episode 9 - Aired 11/26/2017
Callen and the team question CIA Agent Joelle Taylor's backstory after she escapes from a kidnapping and turns to Callen for help.
Director: Benny Boom
Writer: Andrew Bartels
7.7/10284 votes#10 - Forasteira
Season 9 Episode 10 - Aired 12/10/2017
The NCIS team tracks a highly skilled assailant determined to avenge her father's death by killing a Brazilian diplomat.
Director: Eric A. Pot
Writer: Erin Broadhurst
7.5/10280 votes#11 - All is Bright
Season 9 Episode 11 - Aired 12/17/2017
The team investigates a ransomware attack that takes out the entire power grid for west L.A. and paralyzes the city. Also, as the first holiday season since the death of Sam’s wife approaches, he struggles to find the best way for his family to celebrate.
Director: Ruba Nadda
Writer: Chad Mazero
7.3/10295 votes#12 - Under Pressure
Season 9 Episode 12 - Aired 1/7/2018
After napalm is detected at a crime scene, the NCIS team investigates the sole casualty for possible links to terrorism.
Director: Diana Valentine
Writer: Joe Sachs
8.2/10319 votes#13 - Cac Tu Nhan
Season 9 Episode 13 - Aired 1/14/2018
While Hetty is being tortured by her captors in Vietnam, Eric and Nell find a clue to her whereabouts, prompting the team to organize a rescue mission with very little information.
Director: James Hanlon
Writer: R. Scott Gemmill
8.4/10329 votes#14 - Goodbye, Vietnam
Season 9 Episode 14 - Aired 3/11/2018
Callen, Sam, Kensi and Deeks join Hetty’s team from the Vietnam War, Sterling Bridges, A.J. Chegwidden and Charles Langston, in a dangerous and off-the-books rescue mission to save Hetty from her captors in Vietnam. Also, Mosley calls in Nell’s sister, homeland security specialist Sydney Jones, to assist the team in Los Angeles with processing evidence connected to Hetty’s time in Vietnam.
Director: John Peter Kousakis
Writer: R. Scott Gemmill
7.9/10290 votes#15 - Liabilities
Season 9 Episode 15 - Aired 3/18/2018
Callen and Sam pull Granger’s daughter, former spy Jennifer Kim, from witness protection to help the team locate an underground spy who has obtained an arsenal of bomb materials.
Director: Lily Mariye
Writer: Kyle Harimoto
7.7/10297 votes#16 - Warrior Of Peace
Season 9 Episode 16 - Aired 3/25/2018
Callen pursues every alternative when the Diplomatic Security Service apprehends his father, Nikita Aleksandr Reznikov, as part of an exchange for two American photographers being held hostage in Iran.
Director: N/A
Writer: Andrew Bartels
8.0/10317 votes#17 - The Monster
Season 9 Episode 17 - Aired 4/1/2018
While investigating a missing person’s case, the team uncovers a killer who puts on shows for high-paying voyeurs. Also, Mosley assigns Callen as her partner on a joint ATF mission to apprehend someone from her past.
Director: Dennis Smith
Writer: Frank Military
7.8/10273 votes#18 - Vendetta
Season 9 Episode 18 - Aired 4/8/2018
Callen and Sam join forces with Anna Kolcheck and the Bureau of Alcohol, Tobacco and Firearms (ATF), when Arkady Kolcheck warns NCIS that a notorious international weapons dealer has returned to the states. Also, the case requires Eric to go undercover as a bank IT technician.
Director: James Whitmore Jr.
Writer: Jordana Lewis Jaffe
7.6/10266 votes#19 - Outside the Lines
Season 9 Episode 19 - Aired 4/22/2018
After a cryptocurrency farm is robbed of over $10 million in Bitcoin codes, Sam and Hidoko go undercover, with Sam resuming a likely compromised former alias.
Director: Suzanne Misako Saltz
Writer: Joseph C. Wilson
7.9/10285 votes#20 - Reentry
Season 9 Episode 20 - Aired 4/29/2018
Callen, Sam and Nell must find pieces of a failed rocket launch, including a top-secret government device; Hetty tries to help Keane acclimate to life in the states.
Director: Eric A. Pot
Writer: Andrew Bartels
7.4/10298 votes#21 - Where Everybody Knows Your Name
Season 9 Episode 21 - Aired 5/6/2018
NCIS partners with the FBI after a Marine is murdered by a rare nerve gas. Also, Deeks shares his dream to quit law enforcement and open a bar.
Director: Rick Tunell
Writer: Jordana Lewis Jaffe, Chad Mazero
7.5/10262 votes#22 - Venganza
Season 9 Episode 22 - Aired 5/13/2018
NCIS investigates the murder of a federal prison inmate who was the adopted daughter of a notorious counterfeiter. Also, Callen is summoned by the Alcohol, Tobacco and Firearms (ATF) Internal Affairs board to discuss Anna Kolcheck’s actions during a joint NCIS and ATF case.
Director: Yangzom Brauen
Writer: Erin Broadhurst, Kyle Harimoto
7.2/10383 votes#23 - A Line in the Sand
Season 9 Episode 23 - Aired 5/20/2018
After Sam is shot during a firefight with the cartel, a suspect is interrogated and reveals new information on the whereabouts of Spencer Williams, the man who kidnapped Mosley's son five years ago.
Director: N/A
Writer: N/A
7.5/10402 votes#24 - Ninguna Salida
Season 9 Episode 24 - Aired 5/20/2018
Despite several team members having grave reservations, NCIS travels to Mexico for a risky mission to locate and rescue Mosley's son.
Director: N/A
Writer: N/A
The Best Episodes of NCIS: Los Angeles Season 9
Every episode of NCIS: Los Angeles Season 9 ranked from best to worst. Discover the Best Episodes of NCIS: Los Angeles Season 9!
The exploits of the Los Angeles–based Office of Special Projects (OSP), an elite division of the Naval Criminal Investigative Service that specializes in undercover assignments.
Genres:Action & AdventureDramaCrimeMystery
Network:CBS
Season 9 Ratings Summary
"Party Crashers" is the best rated episode of "NCIS: Los Angeles" season 9. It scored 7.4/10 based on 361 votes. Directed by John Peter Kousakis and written by R. Scott Gemmill, it aired on 10/1/2017. This episode is rated 0.2 points higher than the second-best, "Se Murio El Payaso".