<Li> Daniel J. Travanti as Nikita Aleksandr Reznikov / Garrison, Callen's father </Li> <Li> Ravil Isyanov as Anatoli Kirkin </Li> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 193 </Th> <Td> </Td> <Td> "Party Crashers" </Td> <Td> John Peter Kousakis </Td> <Td> R. Scott Gemmill </Td> <Td> October 1, 2017 (2017 - 10 - 01) </Td> <Td> 901 </Td> <Td> 8.95 </Td> </Tr> <Tr> <Td_colspan="8"> As 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 . Meanwhile, the team investigate the death of a South Korean agent investigating North Korea's missile program . </Td> </Tr> <Tr> <Th> 194 </Th> <Td> </Td> <Td> "Se Murio El Payaso" </Td> <Td> Rick Tunell </Td> <Td> Kyle Harimoto </Td> <Td> October 8, 2017 (2017 - 10 - 08) </Td> <Td> 825 </Td> <Td> 8.46 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . Hetty is shown in Ho Chi Minh City, Vietnam bribing a prison guard to allow her to talk to a Harris Kaine . </Td> </Tr> <Tr> <Th> 195 </Th> <Td> </Td> <Td> "Assets" </Td> <Td> Tawnia McKiernan </Td> <Td> Kyle Harimoto </Td> <Td> October 15, 2017 (2017 - 10 - 15) </Td> <Td> 902 </Td> <Td> 8.65 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 196 </Th> <Td> </Td> <Td> "Plain Sight" </Td> <Td> Dennis Smith </Td> <Td> Joseph C. Wilson </Td> <Td> October 22, 2017 (2017 - 10 - 22) </Td> <Td> 903 </Td> <Td> 8.18 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 197 </Th> <Td> 5 </Td> <Td> "Mountebank" </Td> <Td> Terrence O'Hara </Td> <Td> Jordana Lewis Jaffe </Td> <Td> October 29, 2017 (2017 - 10 - 29) </Td> <Td> 904 </Td> <Td> 7.50 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 198 </Th> <Td> 6 </Td> <Td> "Can I Get a Witness?" </Td> <Td> James Hanlon </Td> <Td> Chad Mazero </Td> <Td> November 5, 2017 (2017 - 11 - 05) </Td> <Td> 826 </Td> <Td> 8.03 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . Hetty is almost kidnapped for the location of the $40 million in gold bars but is rescued by a Buddhist monk . </Td> </Tr> <Tr> <Th> 199 </Th> <Td> 7 </Td> <Td> "The Silo" </Td> <Td> James Whitmore, Jr . </Td> <Td> Frank Military </Td> <Td> November 12, 2017 (2017 - 11 - 12) </Td> <Td> 905 </Td> <Td> 7.86 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 200 </Th> <Td> 8 </Td> <Td> "This Is What We Do" </Td> <Td> John Peter Kousakis </Td> <Td> R. Scott Gemmill </Td> <Td> November 19, 2017 (2017 - 11 - 19) </Td> <Td> 906 </Td> <Td> 6.95 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 201 </Th> <Td> 9 </Td> <Td> "Fool Me Twice" </Td> <Td> Benny Boom </Td> <Td> Andrew Bartels </Td> <Td> November 26, 2017 (2017 - 11 - 26) </Td> <Td> 907 </Td> <Td> 7.64 </Td> </Tr> <Tr> <Td_colspan="8"> Callen and the team question Joelle's backstory after she escapes from a kidnapping and turns to Callen for help . </Td> </Tr> <Tr> <Th> 202 </Th> <Td> 10 </Td> <Td> "Forasteira" </Td> <Td> Eric Pot </Td> <Td> Erin Broadhurst </Td> <Td> December 10, 2017 (2017 - 12 - 10) </Td> <Td> 908 </Td> <Td> 7.53 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 203 </Th> <Td> 11 </Td> <Td> "All Is Bright" </Td> <Td> Ruba Nadda </Td> <Td> Chad Mazero </Td> <Td> December 17, 2017 (2017 - 12 - 17) </Td> <Td> 909 </Td> <Td> 7.21 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 204 </Th> <Td> 12 </Td> <Td> "Under Pressure" </Td> <Td> Diana C. Valentine </Td> <Td> Joe Sachs </Td> <Td> January 7, 2018 (2018 - 01 - 07) </Td> <Td> 911 </Td> <Td> 7.87 </Td> </Tr> <Tr> <Td_colspan="8"> After napalm is detected at a crime scene, the team investigates the sole casualty for possible links to terrorism . </Td> </Tr> <Tr> <Th> 205 </Th> <Td> 13 </Td> <Td> "Các Tù Nhân" </Td> <Td> James Hanlon </Td> <Td> R. Scott Gemmill </Td> <Td> January 14, 2018 (2018 - 01 - 14) </Td> <Td> 910 </Td> <Td> 9.12 </Td> </Tr> <Tr> <Td_colspan="8"> <P> 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 . </P> The title of the episode, "Các Tù Nhân" is Vietnamese for "Prisoners ." </Td> </Tr> <Tr> <Th> 206 </Th> <Td> 14 </Td> <Td> "Goodbye, Vietnam" </Td> <Td> John Peter Kousakis </Td> <Td> R. Scott Gemmill </Td> <Td> March 11, 2018 (2018 - 03 - 11) </Td> <Td> 912 </Td> <Td> 8.03 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 207 </Th> <Td> 15 </Td> <Td> "Liabilities" </Td> <Td> Lily Mariye </Td> <Td> Kyle Harimoto </Td> <Td> March 18, 2018 (2018 - 03 - 18) </Td> <Td> 913 </Td> <Td> 8.02 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 208 </Th> <Td> 16 </Td> <Td> "Warrior of Peace" </Td> <Td> Terence Nightingall </Td> <Td> Andrew Bartels </Td> <Td> March 25, 2018 (2018 - 03 - 25) </Td> <Td> 914 </Td> <Td> 8.58 </Td> </Tr> <Tr> <Td_colspan="8"> Callen's father is apprehended as part of an exchange for two American photographers being held hostage in Iran . </Td> </Tr> <Tr> <Th> 209 </Th> <Td> 17 </Td> <Td> "The Monster" </Td> <Td> Dennis Smith </Td> <Td> Adam George Key & Frank Military </Td> <Td> April 1, 2018 (2018 - 04 - 01) </Td> <Td> 915 </Td> <Td> 7.12 </Td> </Tr> <Tr> <Td_colspan="8"> While Investigating a missing person's case, the team uncovers a killer who puts on a show for high paying voyeurs . </Td> </Tr> <Tr> <Th> 210 </Th> <Td> 18 </Td> <Td> "Vendetta" </Td> <Td> James Whitmore, Jr . </Td> <Td> Jordana Lewis Jaffe </Td> <Td> April 8, 2018 (2018 - 04 - 08) </Td> <Td> 916 </Td> <Td> 8.14 </Td> </Tr> <Tr> <Td_colspan="8"> NCIS partners with the Bureau of Alcohol, Tobacco and Firearms (ATF) on a case when a notorious international weapons Dealer returns to the states . </Td> </Tr> <Tr> <Th> 211 </Th> <Td> 19 </Td> <Td> "Outside the Lines" </Td> <Td> Suzanne Saltz </Td> <Td> Joseph C. Wilson </Td> <Td> April 22, 2018 (2018 - 04 - 22) </Td> <Td> 917 </Td> <Td> 7.57 </Td> </Tr> <Tr> <Td_colspan="8"> Sam and Hidoko are sent undercover after a cryptocurrency farm is robbed of over $10 million in Bitcoin codes . </Td> </Tr> <Tr> <Th> 212 </Th> <Td> 20 </Td> <Td> "Reentry" </Td> <Td> Eric Pot </Td> <Td> Lee A. Carlisle & Andrew Bartels </Td> <Td> April 29, 2018 (2018 - 04 - 29) </Td> <Td> 918 </Td> <Td> 7.62 </Td> </Tr> <Tr> <Td_colspan="8"> The team is in search of a top secret component that went missing from a failed rocket launch . </Td> </Tr> <Tr> <Th> 213 </Th> <Td> 21 </Td> <Td> "Where Everybody Knows Your Name" </Td> <Td> Rick Tunell </Td> <Td> Chad Mazero & Jordana Lewis Jaffe </Td> <Td> May 6, 2018 (2018 - 05 - 06) </Td> <Td> 919 </Td> <Td> 7.71 </Td> </Tr> <Tr> <Td_colspan="8"> NCIS works a joint task force with the FBI to investigate the death of a Marine who might have died due to a drug overdose . </Td> </Tr> <Tr> <Th> 214 </Th> <Td> 22 </Td> <Td> "Venganza" </Td> <Td> Yangzom Brauen </Td> <Td> Erin Broadhurst & Kyle Harimoto </Td> <Td> May 13, 2018 (2018 - 05 - 13) </Td> <Td> 920 </Td> <Td> 7.32 </Td> </Tr> <Tr> <Td_colspan="8"> 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 . </Td> </Tr> <Tr> <Th> 215 </Th> <Td> 23 </Td> <Td> "A Line in the Sand" </Td> <Td> Frank Military </Td> <Td> Frank Military </Td> <Td> May 20, 2018 (2018 - 05 - 20) </Td> <Td> 921 </Td> <Td> 7.82 </Td> </Tr> <Tr> <Td_colspan="8"> Following a gunfight that leaves Sam wounded, the team gains a lead on Spencer Williams, the arms dealer that has Mosley's son - and get concerned as Mosley threatens to cross the line to get her son back . </Td> </Tr> <Tr> <Th> 216 </Th> <Td> 24 </Td> <Td> "Ninguna Salida" </Td> <Td> John Peter Kousakis </Td> <Td> Joe Sachs & R. Scott Gemmill </Td> <Td> May 20, 2018 (2018 - 05 - 20) </Td> <Td> 922 </Td> <Td> 7.82 </Td> </Tr> <Tr> <Td_colspan="8"> Despite several team members having grave reservations, NCIS travels to Mexico for a risky mission to locate and rescue Mosley's son . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr>

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