NCIS Season 23 Episode 12, titled “In Too Deep,” airs tonight on CBS, Tuesday, March 17 from 8:00–9:00 PM ET/PT. In the new episode, the team investigates the murder of a drone pilot, leading them to a missing woman connected to McGee’s past.

In NCIS Season 23 Episode 12, the case quickly becomes personal for McGee as the woman’s reappearance brings back a relationship he believed was long behind him. As the investigation deepens, McGee realizes the situation could have far-reaching consequences—not just for the case, but for his own future. With emotional stakes rising, the team must uncover the truth before the situation spirals further.

Written by Marco Schnabel and directed by Michael Zinberg, “In Too Deep” delivers another character-driven episode of the long-running CBS procedural.

Created by Donald P. Bellisario and Don McGill, NCIS remains one of television’s most popular dramas, following a team of special agents who investigate crimes connected to the Navy and Marine Corps. The series stars Sean Murray, Wilmer Valderrama, Katrina Law, Brian Dietzen, Diona Reasonover, Gary Cole, and Rocky Carroll.

Episode Details

Series: NCIS
Season: 23
Episode: 12
Title: “In Too Deep”
Airdate: March 17, 2026
Time: 8:00–9:00 PM ET/PT
Network: CBS
Streaming: Paramount+

Written By: Marco Schnabel
Directed By: Michael Zinberg

The long-running CBS drama NCIS stars Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, and Katrina Law as Jessica Knight.

Previous Episode

If you missed last week’s episode, check out our photo gallery from “Army of One.” In NCIS Season 23 Episode 11, the team responded to a tense standoff when a desperate man barricaded himself inside an ammunition warehouse, insisting that Agent Knight was the only person he would negotiate with. As the situation escalated and explosives threatened to detonate, Knight worked to gain his trust while clashing with the officials running the operation.

See the photos from the previous episode:
https://seat42f.com/ncis-season-23-episode-11-photos-army-of-one/

More NCIS Coverage

For more news, previews, and episode photos from NCIS, explore all of our coverage of the long-running CBS procedural. The series follows a team of special agents from the Naval Criminal Investigative Service as they investigate crimes connected to U.S. Navy and Marine Corps personnel.

Browse all NCIS coverage:
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