Yusei Matsui's hit manga, "Assassination Classroom," which ran from 2012 to 2016, is celebrating its 10th anime anniversary! To mark the occasion, a brand-new theatrical film, "Assassination Classroom: Everyone's Time" (「暗殺教室」みんなの時間), has been announced, hitting Japanese theaters on March 20, 2026. This movie promises to adapt previously un-animated chapters as a completely new production, and the news has already sent fans into a frenzy!

The official announcement confirms that the film will adapt previously un-animated chapters, crafted as a completely new production, which immediately ignited a massive buzz.
▼ The late-night announcement instantly became a trending topic on X.

The film will see the full return of the TV anime's voice cast. Director duties will be handled by Masaaki Kitamura, a veteran of SUNRISE animation making his theatrical directorial debut, while Makoto Uezu, who handled series composition for the TV anime, will pen the script. Character designs will be crafted by Aya Higami.
The simultaneously released teaser visual showcases Nagisa and Karma strolling through the old school building's hallway, adorned with visuals from past anime and events, perfectly capturing a decade of history. In the background, Koro-sensei is seen clutching a photo, a tantalizing detail sure to keep fans guessing!

The special trailer also debuted new footage, complete with Koro-sensei's narration, officially announcing that the previously un-animated story will hit the big screen as a brand-new production.
We're sure many fans are hyped for this, so keep an eye out for more official announcements!
via: 動畫《暗殺教室》官方 X