Case Closed season 12
Twelfth season of the Case Closed anime series.
The twelfth season of the Case Closed anime, known in Japan as Detective Conan, aired from April 21, 2003, to March 1, 2004, on Nippon Television Network System. Directed by Yasuichiro Yamamoto (until episode 332) and Masato Satō (since episode 333), the season was produced by TMS Entertainment and Yomiuri Telecasting Corporation and adapts Gosho Aoyama's manga series. The season follows the daily adventures of Conan Edogawa and uses five pieces of theme music: two opening themes and three ending themes.
- episodes
- 316 to 344 (or 345 depending on counting)
Lore & Background
The season initially ran from April 21, 2003, through March 1, 2004, on Nippon Television Network System in Japan. Episodes 316 to 344 (or 345 depending on counting) were later collected into ten DVD compilations by Shogakukan, released between July 22, 2005, and November 25, 2005, in Japan.
Reader's Guide
The twelfth season of Case Closed is significant as a transitional period in the long-running anime, with a change in directors at episode 332 and a shift in theme music. The season uses five pieces of theme music: two opening themes—'Kaze no La La La' by Mai Kuraki (until episode 332) and 'Kimi to Yakusoku Shita Yasashii Ano Basho Made' by U-ka Saegusa in dB (for the rest of the season)—and three ending themes: 'Ashita wo Yume Mite' by Zard (until episode 328), '~Kimi to Iu Hikari~' by Garnet Crow (until episode 349), and 'Nemuru Kimi no Yokogara ni Hohoemi wo' by U-ka Saegusa in dB (for the rest of the season). The season's episodes were later compiled into ten DVD volumes, and episode 345 received a later English dub release on streaming platforms in 2025, highlighting the series' enduring international appeal.
Did You Know?
- The season was directed by Yasuichiro Yamamoto until episode 332 and Masato Satō from episode 333 onward.
- The first opening theme, 'Kaze no La La La' by Mai Kuraki, was used until episode 332.
- The season's episodes were collected into ten DVD compilations released between July 22, 2005, and November 25, 2005.
Frequently Asked Questions
What episodes make up Case Closed season 12?
Season 12 covers episodes 316 through 344, though some episode-counting conventions stretch it to 345. It continues Conan Edogawa's mystery-solving adventures right where the eleventh season left off.
When did Case Closed season 12 air in Japan?
The season premiered on Nippon Television on April 21, 2003, and concluded its broadcast on March 1, 2004. That gives it a full run of roughly ten months.
Who directed Case Closed season 12?
Yasuichiro Yamamoto handled direction through episode 332, after which Masato Satō took over for the remaining episodes. Both worked under the production of TMS Entertainment and Yomiuri Telecasting Corporation.
How many theme songs appear in Case Closed season 12?
The season cycles through five distinct tracks in total—two opening themes and three ending themes. This rotation provides a variety of musical backdrops across the roughly 29 episodes.
What manga does Case Closed season 12 adapt?
The episodes in this season are drawn from chapters of Gosho Aoyama's long-running Detective Conan manga. Like every season, it follows the young detective Conan Edogawa as he cracks cases while secretly remaining Shinichi Kudo.
More in Case Closed seasons 1-24
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