Searching: The Department of Justice urgently needs the team's help when an ex-border patrol agent vanishes following a cartel threat. (S10, ep 19) [S]
Born to Run: Nell's sister needs help when she gets mixed up in a Russian plot to steal intelligence. Plus, the team come under review. (S10, ep 18) [S]
Till Death Do Us Part: It's the wedding we've been waiting for. But surprise guests mean Kensi and Deeks won't get hitched without a hitch. (S10, ep 17) [S]
Joyride: NCIS are on the case when a Marine reservist with PTSD disappears after a drunken row. Special Agent Nicole DeChamps lends a hand. (S10, ep 11) [S]
Heist: Callen and co sniff our corruption at a consulting firm when a suspicious safety deposit box gets pinched in a fancy bank heist. (S10, ep 10) [S]
Asesinos: Mosley takes on the bad guys alone and kills a cartel hit man. She's wanted for murder, which means NCIS have to find her. Fast. (S10, ep 6) [S]
Pro Se: There's trouble when an NCIS informer is arrested during an undercover op. Callen meets up with suspended ATF agent Anna Kolcheck. (S10, ep 5) [S]
Superhuman: The team are on red alert when there's a theft from a navy base. Mosley and Hetty face the music following the Mexico mission. (S10, ep 2) [S]
To Live and Die in Mexico: Stranded and wanted by the cartel, things look bad for Callen, Sam, Kensi and Deeks following the missile strike. (S10, ep 1) [S]
Ninguna Salida: The team head to Mexico in a bid to rescue Mosley's son. But it's a daring mission and many of the team have grave reservations. Season finale. (S9, ep 24) [S]
A Line in the Sand: Sam gets shot in a shoot-out with a cartel. Plus, a suspect reveals new info about Spencer Williams - the man who kidnapped Mosley's son. (S9, ep 23) [S]
Venganza: The team dig into the death of a prisoner with strong links to a notorious counterfeiter. The board summons Callen to discuss Anna's recent actions. (S9, ep 22) [S]
Where Everybody Knows your Name: NCIS team up with the FBI when a marine is killed by nerve gas. Deeks shares his dream - and it involves quitting his job. (S9, ep 21) [S]
Reentry: A failed rocket launch sets Callen, Sam and Nell on a desperate search for a top secret government device. Hetty helps Keane get use to life in the US. (S9, ep 20) [S]
Outside the Lines: Sam's alias places him in danger when he and Hidoko go undercover at a cryptocurrency farm that's been robbed of millions in Bitcoin codes. (S9, ep 19) [S]
Vendetta: NCIS team up with Callen's girlfriend Anna Kolcheck when her dad Arkady warns them that an infamous weapons dealer is back on US soil. (S9, ep 18) [S]
The Monster: The team unearth a murderer who puts on pricey shows for voyeurs. Callen helps Mosley bring in someone from her past. Contains disturbing scenes. (S9, ep 17) [S]
Warrior of Peace: Callen leaves no stone unturned when authorities apprehend his father as part of an exchange for two US photographers held hostage in Iran. (S9, ep 16) [S]
Liabilities: Callen and Sam pull Granger's ex-secret agent daughter Jennifer out of witness protection as they try to track down a dangerous underground spy. (S9, ep 15) [S]
Goodbye, Vietnam: Callen, Sam, Kensi and Deeks join up with Hetty's team from the Vietnam War in a dangerous, off-the-books mission to save Hetty. (S9, ep 14) [S]
Cac Tu Nhan: The team mount a mission to save Hetty, who's in big trouble in Vietnam. But locating her is no easy task. Can they get to her in time? (S9, ep 13) [S]
Under Pressure: The team suspect terrorism when napalm is uncovered at a crime scene. Strangely, there's just one casualty. Could their identity hold the clue? (S9, ep 12) [S]
All is Bright: The team act fast when a ransomeware attack paralyses the city. Sam prepares for his and his family's first Christmas since his wife's death. (S9, ep 11) [S]
Can I Get a Witness: Detective Whiting turns to Deeks for help when his former partner goes rogue. But is Deeks the man to bring him in? (S9, ep 6) [S]
Mountebank: Sam goes undercover when a banker with ties to a Russian oligarch is found dead. A stolen credit card gives Mosley big cause for concern. (S9, ep 5) [S]
Plain Sight: Mosley infiltrates a smart charity do when a million dollars' worth of weapons disappears. But if things go wrong, can Callen and Sam protect her? (S9, ep 4) [S]
Assets: The murder of a Navy Lieutenant throws a string of surprises at the NCIS team as they discover she was smuggling classified intel into the city. (S9, ep 3) [S]
Chernoff, K.: Season six concludes with an eventful trip to Moscow as the team try to locate their suspects. Callen learns more about his father, too. (S6, ep 24) [S]
Kolcheck, A: Callen and Sam look into the deaths of multiple crew members who worked on a missing oil tanker used in Arkady's deal with Russia. (S6, ep 23) [S]
Field of Fire: Swift action is taken when the team learn that an expert sniper with ties to an extremist group has escaped from a veterans' hospital. (S6, ep 22) [S]
Rage: Callen and Sam go undercover as a prisoner and guard to infiltrate a white supremacist group who have got their hands on stolen nuclear material. (S6, ep 20) [S]
Fighting Shadows: The team search for the culprit behind an explosion that killed three FBI agents. Plus, word spreads about the return of 'Densi'. (S6, ep 18) [S]
Savoir Faire: The team are tasked with tracking down three missing Afghanistan soldiers before they pass on vital information. Sam returns to work, too. (S6, ep 17) [S]