Where can I watch “NCIS” Season 23 Episode 12 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 23 helps you follow the plot and character arcs leading into this episode.

Watch NCIS Season 23 Episode 12 Online

“In Too Deep” — Watch "NCIS" Season 23 Episode 12 online in HD for free. Check streaming providers, cast, and episode details.

Mar 17, 2026 Season 23 Episode 12 43 min M

10.0 ★ ★ ★ ★ ★

2 votes

NCIS Season 23

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Season 23 Episode 12 — Aired on Mar 17, 2026 • runs about 43 minutes.

Directed by Michael Zinberg.

Written by Marco Schnabel.

Notable cast/guest names in this episode include Sean Murray, Wilmer Valderrama, Katrina Law, Brian Dietzen.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch NCIS Season 23 Episode 12 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

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.