[s10e23] The Guardian May 2026

: Although Sarah "Mac" MacKenzie (Catherine Bell) does not appear until the following episode ("False Flag"), "The Guardian" sets the stage for her reunion with Harm, revealing that the two have been apart for many years. Thematic Analysis

: Special Agents Callen and Sam Hanna travel to the USS Allegiance in the Persian Gulf to track down the threat. [S10E23] The Guardian

: The investigation begins when the NCIS team uncovers a group of ISIS sympathizers planning an attack on United States military targets. : Although Sarah "Mac" MacKenzie (Catherine Bell) does