Water — [s19e1] Blood In The

: The episode centers on the NCIS team searching for Special Agent Leroy Jethro Gibbs after his boat, Rule 91 , was destroyed in an explosion. It is revealed he had been secretly investigating a serial killer alongside journalist Marcie Warren. Cast Changes :

: A Netflix original series, though "Blood in the Water" is not its S19E1 as it has fewer seasons. [S19E1] Blood in the Water

(Agent Jessica Knight) officially joins the main cast as a series regular starting with this premiere. : The episode centers on the NCIS team

guest stars as Marcie Warren, continuing her role from the previous season. [S19E1] Blood in the Water