: The team must track down the informant while dealing with a non-lethal engagement order from Admiral Kilbride to avoid an international incident with Russian operatives.
: The couple continues their journey toward parenthood, discussing the possibility of adoption after previous fertility struggles. [S13E1] Subject 17
: Former CIA agent Joelle Taylor resurfaces, determined to capture the rogue operative Katya. She abducts Zasha Gagarin, a Russian asset working for Callen, to use her as bait. : The team must track down the informant
: By the end of the episode, Hetty leaves for a mission in Syria, leaving Callen to send Zasha to track her. Production Details Preview — NCIS: LA Season 13 Episode 1: Subject 17 She abducts Zasha Gagarin, a Russian asset working
: Callen discovers files indicating he was part of a school designed to recruit secret agents at a very young age. Hetty eventually admits that he was indeed Subject 17.