"Sans Voir" (Parts 1 and 2) sees Callen take extreme actions against The Chameleon, leading to his arrest and Hetty's shock resignation.
A two-part event with Hawaii Five-0 ("Pa Make Loa" and "Touch of Death") where the teams unite to stop a biological attack. NCIS Los Angeles - Season 3
Critics at Crimespree Magazine highlighted this season for successfully filling in character backstories and balancing procedural elements with long-form storytelling. The addition of Miguel Ferrer was praised for adding a new layer of tension within the Office of Special Projects (OSP). "Sans Voir" (Parts 1 and 2) sees Callen
: The season begins with the team in Romania to rescue Hetty from the Comescu crime family. This mission reveals a "bombshell secret" regarding G. Callen's lineage—his grandfather was an OSS agent whose actions sparked a decades-long vendetta with the Comescus. The addition of Miguel Ferrer was praised for
: The team continues to lead with G. Callen ( Chris O’Donnell ), Sam Hanna ( LL Cool J ), Kensi Blye ( Daniela Ruah ), and Marty Deeks ( Eric Christian Olsen ).