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When a 15 year old hacker compromises a misson, Callen goes back to high school on NCIS: Los Angeles.
Deek's doesn't realize one of Hetty's rules has been broken and the team investigates when a Navy officer's girlfriend is kidnapped for classified information on NCIS: Los Angeles.
The team looks into a kidnapping case on this NCIS: Los Angeles episode. It represents episode 100 for the series.
The CEO of a biotech company working on a classified vaccine is murdered and Deeks struggles when he comes back to work on NCIS: Los Angeles.
Hetty gets professional help for Deeks and Sam to help them deal with the trauma they've suffered on NCIS: Los Angeles.
The team must hunt down stolen nuclear weapons while Sam and Deeks struggle to overcome the torture inflicted upon them on the season 5 premiere of NCIS: Los Angeles.
A devastating event ignites the rush to find stolen nuclear weapons and has Hetty making changes in the usual partnerships on the season 4 finale of NCIS: Los Angeles.
Kensi's feelings become uncomfortable when she's forced to watch Deeks undercover with a female asset in a dangerous situation on NCIS: Los Angeles.
Callen wonders about Hetty's motivations when she assigns the team a case involving a missing undercover operative from the past on NCIS: Los Angeles.
When a cartel boss' body goes missing, Kenzi and Deeks head down to Mexico to investigate while Callen and Sam try to figure out if there's a leak in the DEA on NCIS: Los Angeles.