SEASON 2: The Naval Criminal Investigation Service's Office of Special Projects takes on the undercover work and the hard to crack cases in LA. Key agents are G. Callen and Sam Hanna streets kids risen through the ranks.
SEASON 3: Hits the ground shooting as the team lands in Romania to rescue their boss and friend, Hefty Lange (Linda Hunt), from a ruthless crime family. But Hefty's mission is as much personal as it is professional, revealing a bombshell secret about team leader G Callen's (Chris O'Donnell) past. This secret culminates in the team's first-ever collaboration with Hawaii Five-0, in a joint effort to prevent a global pandemic... which ultimately brings Callen's vendetta full circle. The team pulls together with the bold moves of ex-Navy SEAL Sam Hanna (LL Cool J), Special Agent Kensi Blye (Daniela Ruah) and LAPD liaison Marty Deeks (Eric Christian Olsen). While the operatives hunt the world for criminals, Eric Beale (Barrett Foa) and Nell Jones (Renee Felice Smith) are the home-base tech wizards who keep them posted on all international Intel.
SEASON 4: Finds the unit in crisis, with team leader Callen accused of murdering a suspect in cold blood. The danger mounts as operations manager Hefty Lange faces threats from her past. The team endures, only to uncover a secret that could jeopardise the people closest to former Navy SEAL Sam Hanna. In a crisis-level case, the team crosses paths with the mobilised crime-solving unit and allies with them to track down a terrorist. With the ace field work of Special Agent Kensi Blye and LAPD liaison Marty Deeks along with the brilliance of tech specialists Eric Beale and Nell Jones, no evidence escapes scrutiny. In the war against crime, intelligence is the greatest weapon--and the sinister perpetrators inhabiting the City of Angels are no match for the skilled NCIS: Los Angeles team!
SEASON 5: In the high-octane drama NCIS: Los Angeles, Season Five raises the threat level for the nation's most elite squad of agents. Team leader Special Agent "G" Callen and his partner Sam Hanna--a former U.S. Navy SEAL who's seen action in both Afghanistan and Iraq--are chameleons who have mastered the art of undercover operations. Alongside Callen and Sam are Special Agent Kensi Blye, LAPD liaison Marty, NCIS Assistant Director Owen Granger and Operations Manager Henrietta "Hetty" Lange. Even Ops experts Eric and Nell get in on the action as they step away from their computers and into the line of fire. Together, the NCIS team puts the pedal to the metal to stop a mastermind from bombing a train, solves a top-secret vaccine-related murder, and embarks on a rescue mission in Afghanistan to save one of their own. With access to the most advanced technological gadgets, this tight-knit unit relies on each other to take down the nation's most dangerous criminal--ensuring justice for all.