Episodes

The series opener introduces Class 3-E, the school's cast-off students, and the bizarre tentacled creature assigned as their homeroom teacher. Having blown most of the moon into a crescent, he vows to do the same to Earth within a year…

Sugino, a Class 3-E student who folds baseball into his assassination tries, loses heart after another failed swing at their target. With the boy's confidence crumbling and Nagisa fretting over him, Korosensei steps in to coach the pitcher…

Karma Akabane returns to Class 3-E from suspension and becomes the first student to actually wound Korosensei. His relentless string of pranks meets a teacher who anticipates every move, culminating in a cliff dive that reveals what kind…

The government plants a professional seductress, Irina Jelavic, in Class 3-E as its new English teacher, betting her honey trap can do what the students cannot. Korosensei sees through the ploy at once, but the sharp tongued assassin's…

Irina's old mentor Lovro Brovski turns up and is dismayed to see how comfortable she has grown around Class 3-E. He orders her to walk away from the job, leaving Irina to weigh her trade against the bond she has quietly formed with the…

A second assassin, the tentacled boy Itona, transfers into Class E with a single aim: to hunt down and kill Korosensei, whom he claims as a brother. His arrival forces the octopus into a rare serious duel and pushes the students to…

Kunugigaoka holds its ball-game tournament, and the boys of Class E drill hard for an exhibition match against the elite baseball club. They fight above their weight, but Chairman Asano intervenes the moment the outcasts pull ahead,…

A charming new instructor, Akira Takaoka, arrives to run Class E's physical training and quickly wins the students over as a fatherly figure. His warmth is a mask, and as his drills grow crueler his true, brutal nature surfaces, forcing a…

Summer arrives and Korosensei builds the class a hidden forest pool to beat the heat. As the others play, an increasingly sidelined Terasaka turns to Shiro's scheme, agreeing to help spring a trap that puts his own classmates in danger.

With end-of-term finals looming, Class E braces for a showdown with the Big Five, the top students of Class A led by the chairman's son Gakushu Asano. A wager rides on which class scores highest across five subjects, and both sides study…

Two grueling days of exams end and the results roll in, deciding the wager between Class E and Class A. The outcasts have fought Asano's elite to a standstill, and the payoff, along with a clever loophole, reshapes their assassination…

Summer means bug-hunting and pocket money as a few Class E students chase rare beetles to fund their Okinawa trip. They stumble onto Okajima's trap for Korosensei, and the class then travels to the island resort where their long-planned…

Every piece is in place for the class's most ambitious hit yet as their island strategy finally launches against Korosensei. The elaborate plan comes agonizingly close, but its aftermath brings a deadly new threat that turns a vacation…

With their classmates poisoned and only a day to act, the fifteen healthy Class E students must scale a cliff, infiltrate a guarded hotel, and seize the antidote from the assassins holding it. The rescue tests everything they have learned…

Pushing toward the top floor for the antidote, the Class E students meet one hired killer after another. Karma opens with a brutal duel against the bare-handed Grip, and the group's climb becomes a string of clever, teamwork-driven…

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…

Season one closes as Nagisa, teetering on the edge of murderous rage, is pulled back by his classmate and instead faces Takaoka in a rematch that tests the assassination technique he quietly learned. The hitmen who caused the crisis reveal…

Assembly Time is the fifth episode of the Assassination Classroom anime. Chemistry-obsessed Okuda keeps trying to poison Korosensei, and when he offers to help her brew something lethal, the lesson turns out to be about communication…

School Trip Time, 1st Period is the seventh episode of the Assassination Classroom anime. The long-awaited class trip to Kyoto doubles as an assassination stage, but the outing takes a dark turn when two of the girls are snatched by…

School Trip Time, 2nd Period is the eighth episode of the Assassination Classroom anime. A hired marksman joins the Kyoto assassination effort, raising the question of whether the trip might finally end Korosensei's life.

Test Time is the sixth episode of the Assassination Classroom anime. With the first midterm looming, Korosensei is bent on readying his students, but their doubt that studying will change anything pushes him to stake the school itself on…

Transfer Student Time is the ninth episode of the Assassination Classroom anime. Class 3-E welcomes a new classmate who turns out to be no person at all but a weaponized artificial intelligence built to gun down Korosensei.

The second season opens on a lighter note as the class spends its last island evening on a rigged test of courage, then plays matchmaker for Irina and Karasuma. A festival caps the break while an ominous shooting hints at trouble ahead.

A surplus of eggs sparks Kayano's plan to bake a giant pudding laced with a bomb, testing Korosensei's sweet tooth. When that scheme fizzles, a perverted impostor frames the teacher, drawing the class into a night ambush that unmasks a new…

Shiro's third strike on Korosensei collapses, and when Itona keeps losing, his handler discards him to be devoured by his own tentacles. Class 3-E refuses to let the boy die, and Terasaka's group takes on the task of freeing him from his…

Newly settled into Class E, Itona builds a remote-control tank to hunt Korosensei, only for the boys to hijack it for pettier aims. A lottery of one-day code names then turns the classroom into a comedy of embarrassing nicknames.

Caught working a forbidden cafe job, Isogai is blackmailed by Gakushu Asano into a pole-toppling match at the sports festival, with expulsion on the line. Outnumbered and outmuscled, Class E leans on cunning tactics to fell Class A's pole…

Reckless rooftop training injures an elderly man, so Korosensei bans studying and sends the class to run his nursery as a lesson in helping the weak. Two weeks of unpaid work reshape the building and one struggling child, even as mid-term…

A birthday matchmaking prank pushes Irina to quit, and she vanishes only to resurface as a hostage of the legendary assassin known as the Reaper. Class 3-E storms his lair without their teachers and finds itself hopelessly outmatched.

Korosensei and Karasuma reach the Reaper's stronghold, only for the assassin to threaten the whole class as collateral. Karasuma must weigh the mission against the students' lives, while Irina's brutal past comes to light in the fight to…

A careers review pushes Nagisa to admit where his talents truly point, while his mother Hiromi schemes to drag him back to the elite campus. Caught between a disguised teacher, a lurking hitman, and a parent's buried resentment, the boy…

Kunugigaoka's two day festival draws crowds from across the country, and the outcast mountain class must go up against Gakushu Asano's lavishly sponsored cafe. Armed only with acorn noodles from the forest and a lot of nerve, Class 3-E…

Rattled by how close the outcasts came at the festival, Chairman Asano personally takes over Class A and designs a brutal set of finals meant to crush the mountain students. Gakushu, disillusioned with his father's creed, quietly asks…

The finals climax on one maths problem, with Karma and Gakushu the only two left standing. Class 3-E's sweep of the top fifty humiliates the Chairman, who answers by bulldozing their building and staking Korosensei's job on a rigged,…

Korosensei clears the Chairman's rigged workbook gamble without further self harm, forcing Asano to relive the tragedy that hardened him. A young student's suicide long ago turned an idealistic cram teacher into the ruthless architect of…

Kayano finally strikes, sprouting tentacles she has hidden all year and revealing herself as Akari Yukimura, out to avenge the sister she believes Korosensei murdered. Her charade shattered, she thinks back over the revenge she has plotted…

To save Kayano before her tentacles consume her, Nagisa borrows Irina's kissing technique and snaps her back to herself long enough for Korosensei to cut the tentacles free. His promise kept, the teacher at last recounts his life as the…

Korosensei finishes the story of how he became what he is. As Yanagisawa's experiment nears its deadly climax, the crescent moon is born, Aguri dies, and a heartbroken assassin remakes himself into the teacher of Class 3-E, leaving his…

Nagisa's proposal to save Korosensei splits the class down the middle, and his argument with Karma turns physical. Korosensei settles the rift with a paintball capture the flag deathmatch, letting the winning side's stance become the…

The civil war narrows to a one on one brawl, Karma challenging Nagisa in the open. Though outmatched in raw strength, Nagisa channels every lesson of the year into a single decisive move, winning for the save team and steering Class 3-E…

The data that could save Korosensei sits aboard the International Space Station, out of everyone else's reach. Guided by Korosensei and Ritsu, the class smuggles Nagisa and Karma onto a launching shuttle, sending the two friends into orbit…

Numbered 23.5, this is the first bonus installment of the second season of the Assassination Classroom anime, a side entry spotlighting Takebayashi that sits between the regular twenty-third and twenty-fourth episodes.

Cheer Up Time is a bonus installment of the Assassination Classroom television anime, standing as the second of the show's special episodes. It sits between the nineteenth and twentieth entries of the second season and draws its material…

Final Boss Time is the forty-fifth episode of the Assassination Classroom anime and the twenty-third of its second season. Cornered by both his old apprentice and Yanagisawa, Korosensei fights for his life, and Kayano's desperate gamble…

Future Time is the forty-seventh and closing episode of the Assassination Classroom anime. In the wake of Korosensei's death, Class 3-E graduates and steps back into ordinary life, and a jump forward reveals where each of them lands seven…

Graduation Time is the forty-sixth episode of the Assassination Classroom anime and the twenty-fourth of its second season. With Kayano saved and his strength spent, Korosensei asks his students to carry out the assassination they were…

Happy Birthday Time is the forty-fourth episode of the Assassination Classroom anime and the twenty-second of its second season. After clearing the soldiers holding the mountain, Class 3-E finally reaches Korosensei, only for a brutal…

Trust Time is the forty-third episode of the Assassination Classroom anime and the twenty-first of its second season. With just over a week left before Korosensei's deadline, his pupils settle into their new schools as the government…

Valentine's Day Time is the forty-second episode of the Assassination Classroom anime and the twentieth of its second season. As the holiday nears, Nagisa wrestles with what to do after graduation while classmates such as Kayano ready…

The opening chapter of the Koro-Sensei Quest! spinoff drops the familiar cast into a fantasy role-playing world, where the teacher is now a Demon King and his pupils are glitch-ridden trainee heroes. It sets up the running joke of the…