'NCIS: LA's Ongoing Storylines Ahead of Season 12: What You Need to Know

"Hail Mary" -- Pictured: Daniela Ruah (Special Agent Kensi Blye), Chris O\'Donnell (Special Agent G. Callen), Chris O\'Donnell (Special Agent G. Callen) and LL COOL J (Special Agent Sam Hanna). Callen and Sam run protection detail for retired Navy Admiral Kilbride (Gerald McRaney) in an operation to locate a missing Naval intelligence officer, on NCIS: LOS ANGELES, Sunday, Oct. 13 (9:30-10:30 PM, ET/9:00-10:00 PM, PT) on the CBS Television Network. Photo: Bill Inoshita/CBS ©2019 CBS Broadcasting, Inc. All Rights Reserved.