: Owen Granger ( Miguel Ferrer ) is introduced as the Assistant Director, initially appearing as a suspicious and antagonistic figure to the team.
NCIS: Los Angeles Season 3, which originally aired from 2011 to 2012, is often cited by fans as one of the series' strongest entries. This season significantly deepens the backstories of its lead characters while introducing high-stakes multi-episode arcs and the show's first major crossover event. NCIS Los Angeles - Season 3
"Sans Voir" (Parts 1 and 2) sees Callen take extreme actions against The Chameleon, leading to his arrest and Hetty's shock resignation. : Owen Granger ( Miguel Ferrer ) is
: A major two-part event, "Blye, K.," explores the mysterious death of Kensi's father. Kensi becomes a murder suspect herself as she pursues her father's killer, leading to an emotional confrontation with her past. "Sans Voir" (Parts 1 and 2) sees Callen
: The season introduces a recurring antagonist, Marcel Janvier (played by Christopher Lambert ), a master of disguise known as "The Chameleon". His deadly mind games culminate in a tragic finale involving the deaths of two OSP agents. Cast and Character Developments
The season is defined by personal stakes and the unveiling of long-held secrets.