NCIS: Los Angeles (2009)

S10E23 The Guardian

May 12, 2019 Season 10 Episode 23 Action & Adventure, Drama, Crime, Mystery

Callen and Sam head to the USS Allegiance in the Persian Gulf to collaborate with Navy Captain Harmon "Harm" Rabb, Jr. (David James Elliott). Their mission is prompted by the NCIS team's discovery of ISIS sympathizers plotting attacks on military sites.