: Guest star Wesam Keesh returns as Ehsan Navid, who has transitioned from a civilian source to a full NCIS Special Agent. His presence highlights the long-term impact the OSP team has on those they encounter.
In , titled "Yellow Jack," the team faces a race against time to contain a potential biological catastrophe. This episode, which originally aired on October 20, 2019 , combines a high-stakes medical mystery with significant personal developments for the core characters. Plot Summary: The Ebola Crisis
: The team successfully corners the primary suspect, Fadel Ali , at the hospital before he can cause further infection. On the ship, the "outbreak" is largely determined to be psychosomatic, sparked by fear, though the threat was authentic. Key Character Milestones Watch Ncis los angeles s11e04 webrip x264-ion10-1
: Special Agents G. Callen and Sam Hanna are already on the ship when it is placed under strict quarantine. They work alongside Agent Afloat Ehsan Navid (a returning character from Season 5) to identify potential spies or infected crew members.
The episode begins with the discovery of , who is found dead in an alley after departing the USS Allegiance . The investigation takes a terrifying turn when it is revealed that she was infected with Ebola . : Guest star Wesam Keesh returns as Ehsan
: While Hetty Lange is mentioned as being on a mission in Washington, D.C., she only appears in credit during this episode. Cast and Production "NCIS: Los Angeles" Yellow Jack (TV Episode 2019) - IMDb
This episode is well-regarded by fans for its focus on character growth, particularly for "Densi" (Deeks and Kensi). This episode, which originally aired on October 20,
: Throughout the case, Kensi is uncharacteristically cautious about potential exposure. She eventually reveals to Deeks that she is late on her period , sparking a conversation about their future and the possibility of starting a family. By the end of the episode, it is confirmed to be a "false alarm," but the experience shifts Kensi's perspective on motherhood.