Watch NCIS: Los Angeles Online
On NCIS: Los Angeles Season 6 Episode 15, when Sam and Callen head off to follow up on a lead and disappear, the team realize it must have been the work of terrorists.
On NCIS: Los Angeles Season 6 Episode 14, Sam and Callen go undercover as food truck operators to track down the source of an anthrax poisoning.
On NCIS: Los Angeles Season 6 Episode 13, after a U.S. ambassador narrowly escapes a terrorist attack, Callen and Sam are sent to obtain key evidence on a dangerous mission.
On NCIS: Los Angeles Season 6 Episode 12, while undercover, Callen ends up in the middle of a hostage situation where terrorist have rigged the building with explosives.
On NCIS: Los Angeles Seasn 6 Episode 11, the team investigates a burglary at a cyber-securtiy firm for which Callen's girlfriend is a lead witness.
On NCIS: Los Angeles Season 6 Episode 10, the team investigates a serial killer seemingly targeting overbearing military fathers, in an attempt to protect their sons.
On NCIS: Los Angeles Season 6 Episode 9, Eric becomes one of seven suspects when Hetty orders a lockdown after Granger is poisoned.
On NCIS: Los Angeles Season 6 Episode 8, Kensi and Deeks go undercover to investigate the murder of a former Marine and CIA agent.
When a man is killed by a drone, the team uncovers that he was part of a terrorist group planning an attack on Long Beach on NCIS: Los Angeles Season 6 Episode 7.
On NCIS: Los Angeles season 6 episode 6, Sam is arrested for murder and Callen and Granger try to prove his innocence while Kensi and Deeks find a link between Sam and the victim.