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NCIS season 20

season of television series

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 17, 2026
Entity authorityQ113640120 ↗
Source-derived summary

The twentieth season of the American police procedural television series NCIS premiered on September 19, 2022 on CBS during the 2022–23 television season, and concluded on May 22, 2023. This is the first season not to credit Mark Harmon who had portrayed Leroy Jethro Gibbs since the show's first season, and the last to feature David McCallum prior to his death on September 25, 2023. This season includes the 450th episode of the series. The season contains 22 episodes.

Premise

NCIS revolves around a fictional team of special agents from the Naval Criminal Investigative Service, which conducts criminal investigations involving the United States Navy and Marine Corps. Based at the Washington Navy Yard in Washington, D.C., the NCIS team is led by Supervisory Special Agent Alden Parker, an ex-FBI Special Agent and a skilled investigator.

Cast and characters

Main

Sean Murray as Timothy McGee, NCIS Senior Special Agent, Second in Command of MCRT, Acting Director of NCIS

Wilmer Valderrama as Nick Torres, NCIS Special Agent

Katrina Law as Jessica Knight, NCIS Special Agent

Brian Dietzen as Dr. Jimmy Palmer, Chief Medical Examiner for NCIS

Diona Reasonover as Kasie Hines, Forensic Specialist for NCIS

David McCallum as Dr. Donald "Ducky" Mallard, NCIS Historian

Rocky Carroll as Leon Vance, NCIS Director

Gary Cole as Alden Parker, NCIS Supervisory Special Agent (SSA) and Team Leader of the Major Case Response Team (MCRT) assigned to Washington's Navy Yard, former FBI Special Agent turned NCIS's agent

Notable guests

Crossover

NCIS: Hawaiʻi

NCIS: Los Angeles

Episodes

Production

Development

On March 31, 2022, NCIS was renewed for a twentieth season, which premiered on September 19, 2022.

Editorial summary

This brief starts where responsible research should: with the source description of “NCIS season 20” as season of television series. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA productive route into publication, performance and collection histories when the underlying object or edition remains clearly identified. The current lead gives the account dated anchors—2022, 2023—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where NCIS, season and television can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the arts & letters register because the source frames it as season of television series. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Object files, edition statements, performance records and contemporary criticism preserve different stages of the work’s history. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q113640120. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2022 and 2023.

Critical limits

Rights, attribution and provenance may remain disputed even when a general reference summary presents a stable account. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Separate the work, its editions or performances, and its later reception. Catalogue records, publication histories and object files often preserve different parts of that story.

Best used for
  • Identifying works and editions
  • Tracing reception history
  • Finding collection records
Verify next

The original object or edition, catalogue raisonné, performance record, rights file and holding institution.

Three-step research path

  1. Establish the record: confirm the title “NCIS season 20”, its source revision and the description used here.
  2. Expand the search: follow NCIS season 20 primary sources, NCIS season 20 archive and NCIS research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “NCIS season 20”?
  2. Where is authorship, date or provenance documented?
  3. Which edition, object, performance or recording is being described?
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Source & attribution

This entry incorporates text from “NCIS season 20” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.