The twenty-first Assassination Classroom episode sends Class 3-E up the final stretch of the tower, where Gastro guards the theatre and a scarred, unhinged figure waits at the top holding the antidote hostage. Nagisa is dragged into a rooftop confrontation with a familiar enemy.
Summary
Gastro blocks the students at the darkened theatre, tracking them by sound even without a clear view. When Hayami opens fire and grazes his weapon, the hitman recoils at the live rounds and shoots back through the gaps in the seating, aware that the soundproof room hides the gunfire from anyone outside. Korosensei slips to the front row unnoticed and begins issuing movement orders, first by real names and then by coded aliases the class alone can decode, scrambling Gastro's read on their positions.
The gunman still pins down where he believes Chiba is crouched, but the figure that rises turns out to be a dummy built by Sugaya. The genuine shooter fires from elsewhere, a rig of stage equipment crashes down, and Hayami knocks the revolver clean out of Gastro's grip. With the marksman restrained and bound, the group presses on to the top floor.
Key Events
Above, Karasuma silences a lone sentry, and Nagisa quietly notices that Terasaka is running a fever from the same sickness, though the larger boy hushes him. Inside the final room they find a bomb-rigged briefcase and lunge for the detonator, only for the man to toss a fistful of decoy triggers into the air. The mastermind is exposed as Akira Takaoka, face scarred and eyes wild, one of the bounty seekers Karasuma had earlier flagged alongside three freelancers.
Takaoka admits he chases both the reward and revenge for the shame the class inflicted on him, fixating on Nagisa in particular. He herds everyone to the helipad, demands Nagisa duel him for the cure, and severs the stairway to lock out any help. After forcing the boy to kneel and apologize, the former soldier detonates the case holding the antidote vials. Watching the only cure vanish, Nagisa snatches up Takaoka's dropped blade and declares he will end him.
Frequently Asked Questions
In what episode of Assassination Classroom does Takaoka appear?
Akira Takaoka is revealed as the masked mastermind behind the tower ambush in Assassination Classroom Episode 21, Takaoka's Time, where he traps Class 3-E on the helipad and destroys the antidote.
In what episode does Nagisa fight Takaoka?
Nagisa's standoff with Takaoka starts in Episode 21, Takaoka's Time, when Takaoka forces him to kneel on the helipad and then destroys the antidote vials in front of him. Their actual fight plays out in the following episode, Nagisa's Time.
Who blocks Class 3-E in the theatre during Episode 21?
In Episode 21, the hitman Gastro blocks Class 3-E at the darkened theatre, tracking them by sound before Hayami and a decoy dummy built by Sugaya let the class knock the revolver from his grip and restrain him.
What happens to the antidote in Takaoka's Time?
In Takaoka's Time, Akira Takaoka lures Class 3-E to the helipad, forces Nagisa to kneel and apologize, and then detonates the briefcase holding the only antidote vials.
Why does Akira Takaoka target Nagisa specifically?
Akira Takaoka is a bounty hunter seeking both the assassination reward and revenge for the humiliation Class 3-E inflicted on him, and he fixates his anger on Nagisa in particular.
Sources & Information
Looking for more on Takaoka's Time? The Assassination Classroom Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Anime based on the Assassination Classroom anime series, manga, and official materials. Assassination Classroom was created by Yusei Matsui, published by Shueisha, and animated by Lerche. All rights to Assassination Classroom and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
Rights holders
- Created byYusei Matsui
- Published byShueisha
- Animated byLerche
All rights belong to their respective owners.
Character and scene imagery on this site is original artwork by Daddy Jim Anime, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
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