Season 21

From the desk

How this season is filed

Filed by Tessa Quinn · Spoiler-Free (Mostly)

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.

TV Flash files Season 21 of NCIS (2003–present) on CBS as a mid listed season (21; 21 of 24) — 10 listed hours, 2024-02-12–2024-05-06 from “Algún Día” (S21E01) to “Reef Madness” (S21E10). Broadcast log — titles and dates, not a plot bible.