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Research dossier · Arts & Letters

MBS (TV channel)

television broadcasting company headquartered in Osaka, Japan, affiliated with Japan News Network (JNN) and TBS Network, serving in the Kansai region

Manuscripts, fine bindings, an engraving plate and preserved performance ephemera
Arts and lettersInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 17, 2026
Entity authorityQ1331921 ↗
Source-derived summary

JOOY-DTV (channel 4), branded as MBS (previously known as Mainichi Broadcasting System from 1959 to 2026), is a Japanese television station serving as the Kansai region key station of the Japan News Network. It is owned and operated by MBS, Inc. (previously known as Mainichi Broadcasting System, Inc. from 2017 to 2026), a subsidiary of MBS Media Holdings, with its studios based in the Kita-ku ward of Osaka.

From its inception in 1959 until 2021, MBS operated as a unified broadcaster, with its radio and television operations remaining intact until 2017, when a major restructuring placed the operations under the second incarnation of MBS. In 2021, the radio division was spun off as a separate, wholly owned subsidiary.

Overview

MBS is a core station of the Japan News Network (JNN), with TBS TV serving as its key station. MBS is a member of the "Five Company Federation" (comprising MBS, TBS, HBC, CBC, and RKB) and is a major shareholder of TBS Holdings. It distributes G-Guide EPG data and previously distributed analog G-Guide program data to Tokushima Prefecture, where Shikoku Broadcasting, the only commercial TV station there, is affiliated with NNN/NNS.

For 16 years and one month, from the start of TV broadcasting until the networking issues were resolved, MBS was a key station of NET (now TV Asahi) and was subsequently affiliated with the All-Nippon News Network (ANN) upon its launch. During this time, Tokyo Channel 12 (currently TV Tokyo) was also affiliated with the station.

With the complete transition to digital terrestrial broadcasting on July 24, 2011, the listings in newspapers and TV information magazines changed from "Mainichi TV" (or "Mainichi"), which had been used since the start of television broadcasting, to "MBS TV" (or "MBS").

Editorial summary

This brief starts where responsible research should: with the source description of “MBS (TV channel)” as television broadcasting company headquartered in Osaka, Japan, affiliated with Japan News Network (JNN) and TBS Network, serving in the Kansai region. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewBest approached as a cultural-object dossier: authorship and date matter, but circulation and reception often explain the wider significance. The current lead gives the account dated anchors—1959, 2026, 2017, 2021—that can be checked directly. The linked authority record independently contributes the date 2016-07-28. The account is most persuasive where channel, television and broadcasting can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the arts & letters register because the source frames it as television broadcasting company headquartered in Osaka, Japan, affiliated with Japan News Network (JNN) and TBS Network, serving in the Kansai region. 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 Q1331921. VIAF identifies the subject as 136512102. The Library of Congress control number is n81141736. 6 of 6 selected statements include explicit references; 3 carry qualifiers and 0 use preferred rank. The first chronological checks are 1959, 2026, 2017 and 2021.

Critical limits

Titles can refer to several editions, objects or performances, making precise identification essential before interpretation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. 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 “MBS (TV channel)”, its source revision and the description used here.
  2. Expand the search: follow MBS (TV channel) primary sources, MBS (TV channel) archive and channel 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 “MBS (TV channel)”?
  2. Which edition, object, performance or recording is being described?
  3. Where is authorship, date or provenance documented?
Subject index

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Source & attribution

This entry incorporates text from “MBS (TV channel)” 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.