makes his first appearance in this episode as FBI Special Agent Alden Parker.
(Agent Jessica Knight) officially joins the main cast as a series regular starting with this premiere.
: While the team believes Gibbs is dead, the investigation into the boat wreckage unearths evidence of his parallel serial killer investigation, leading the team to eventually find him alive but injured. Other Shows with Similarly Titled Episodes [S19E1] Blood in the Water
While NCIS is the most prominent match for Season 19, other series have episodes with the same title: : Season 4, Episode 1.
If you were looking for information on a , let me know: The genre (e.g., crime, reality, animation). Any main characters you remember. The streaming platform where you saw it. "NCIS" Blood in the Water (TV Episode 2021) - IMDb makes his first appearance in this episode as
: A Netflix original series, though "Blood in the Water" is not its S19E1 as it has fewer seasons.
guest stars as Marcie Warren, continuing her role from the previous season. Other Shows with Similarly Titled Episodes While NCIS
: Season 15, Episode 5 (sometimes indexed differently in broadcast guides).