Case Closed Seasons Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

Last full accuracy audit: 2026-09-08 · 31 entries checked · 25 flagged · 62 issues confirmed · 25 corrected · 37 still open

Recent findings (audit lane, verbatim)

Case Closed season 2 — The English adaptation was not dropped by Adult Swim on August 16, 2004 due to low ratings; the show aired on Adult Swim until March 2005, and the August 16, 2004 date refers to the last episode of the initial run on YTV in Canada, not the end of Adult Swim ai

Case Closed season 2 — The season uses nine pieces of theme music is incorrect; the actual count for episodes 29–54 is three Japanese openings, two Japanese endings, and one English opening (no English ending was used for this season; the English ending 'Thank You for Everything' wa

Case Closed season 4 — The entry states that episodes 86 to 106 were collected into seven DVD compilations all released on March 24, 2006, but the volumes were actually released on multiple dates.

Case Closed season 5 — The English adaptation did not use 'Spinning the Roulette of Destiny' as an opening theme; the English dub used a different instrumental theme or the original Japanese opening with English credits.

Case Closed season 5 — Episodes 128 and 129 were not dubbed by Studio Nano and released on Crunchyroll and Netflix on July 3, 2025; this claim is invented.

Case Closed season 6 — The claim that the title was changed from 'Detective Conan' to 'Case Closed' due to legal issues with the Japanese title 'Detective Conan' is inaccurate; the change was due to trademark issues with the name 'Conan' in some regions.

Case Closed season 7 — The season does not adapt an arc where Conan temporarily returns as Jimmy Kudo; the temporary return to his original body occurs in episodes 188–193

Case Closed season 7 — The first opening theme 'Giri Giri Chop' by B'z was used from episode 167 to 168, not from episode 166; episode 166 used the previous opening 'Truth (A Great Detective of Love)' by Two-Mix

Case Closed season 8 — The opening theme 'Koi wa Thrill, Shock, Suspense' by Rina Aiuchi actually started at episode 205, not 204.

Case Closed season 8 — The ending theme 'Natsu no Maboroshi' by Garnet Crow started at episode 205, not 204.

Case Closed season 9 — The claim that episodes 230 and 231 were dubbed by Studio Nano and released on Crunchyroll and Netflix on July 3, 2025, is an invented future release date with no basis in established canon.

Case Closed season 9 — The claim that episodes 226 and 227 were later dubbed and released on May 1, 2026, is an invented future date with no basis in established canon.

Case Closed season 10 — The season's episode range is listed as 255–285, but the actual widely-recognized season 10 range for Case Closed is 249–274 (or similar), not 255–285.

Case Closed season 10 — The claim that episodes 258, 259, and 277 to 280 were dubbed and released on May 1, 2026, is a future date with no confirmed release as of the present.

Open data

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