NCIS
In Too Deep
TV Flash files “In Too Deep” as hour 499 of 508 in the TV Flash guide — NCIS (2003–present) on CBS, season 23, episode 12, aired 2026-03-17, 60 min.
From the desk
How this hour is filed
This leaf is S23E12: listed hour 499 of 508 in the NCIS guide, hour 12 of 20 in season 23. It aired 2026-03-17 (60 min). The listed hour before it is “Army of One” (S23E11). Next is “All Good Things” (S23E13). Broadcast log — titles and dates, not a plot bible.
Catalog log
Broadcast listing — not a TV Flash recap.
A murdered drone pilot leads the team to a missing woman from McGee's past and a relationship he thought was long behind him. But as the case deepens, McGee realizes her reappearance could unravel more than an investigation, it could change the course of his life.
Viewer FAQ
Where does In Too Deep sit in the NCIS guide?
S23E12 is listed hour 499 of 508 — hour 12 of 20 in season 23, season 23 episode 12.
When did NCIS S23E12 air?
In Too Deep aired 2026-03-17 and is listed at 60 minutes.
Do I need JAG before NCIS?
It launched via backdoor pilot episodes on JAG, but the mothership plays as its own squad-room ritual. Start with Gibbs's team, not a homework assignment.
In the series
Why this series still plays
Naval Criminal Investigative Service agents solve military-linked crimes with found-family banter and Gibbs's rules. Mark Harmon became a quiet ratings titan; the squad room is the serialized story. Sturdy CBS comfort that outlived fashion and multiplied into a carrier group of spinoffs.
Gibbs's rules, a squad room that is a second home, and a fandom that will fight you if you call it uncool — welcome to the quiet ratings titan the group chat pretends not to respect until someone dies in the bullpen. (Spoiler fence: mild. The team can bleed.) Donald P. Bellisario and Don McGill's CBS series premiered September 23, 2003, after a *JAG* backdoor pilot, and became a flagship with well over twenty seasons. Mark Harmon as Leroy Jethro Gibbs for many years; Michael Weatherly's DiNozzo, Pauley Perrette's…
Filed against
- Mark Harmon as Leroy Jethro Gibbs
Mark Harmon’s Jack McNeil worked Chicago Hope’s ethics-machine hospital — prestige coats, nineties doctor drama with more speeches than sprinting — then became NCIS’s quiet ratings titan as the squad-room still point. Kelley rival hour;…
- Michael Weatherly as Anthony DiNozzo
Michael Weatherly’s Anthony DiNozzo filled NCIS’s squad room like banter was a federal procedure — 2000s Naval Criminal Investigative Service comfort, Mark Harmon as a quiet ratings titan, Gibbs’s rules, found-family that outlived…
- Pauley Perrette as Abby Sciuto
Pauley Perrette made Abby Sciuto the lab’s gothic pulse on NCIS — 2000s Naval Criminal Investigative Service comfort, found-family banter, Gibbs’s rules, Mark Harmon as a quiet ratings titan. The squad room is the serialized story. TV…
- David McCallum as Donald 'Ducky' Mallard
David McCallum’s Illya Kuryakin made The Man from U.N.C.L.E. multinational cool — 1960s catalog gadget briefcases, Bond fever’s television wing, then NCIS stretching the blond into Gibbs-adjacent lab weather. TV Flash files him as the…
- Cote de Pablo as Ziva David
Cote de Pablo’s Ziva David gave NCIS its lethal charm — Mossad steel in Gibbs’s squad room, found-family banter, military-linked crimes as CBS comfort that outlived fashion. Mark Harmon’s ratings titan needed a partner who could knife and…
- Sean Murray as Timothy McGee
Sean Murray's Timothy McGee grew up inside NCIS as squad-room found family — Naval Criminal Investigative Service agents, military-linked crimes, Gibbs's rules, Mark Harmon as a quiet ratings titan. Sturdy CBS comfort that outlived…