The Best Episodes of Assassination Classroom
Last Updated: Jun 2, 2019
The students of class 3-E have a mission: kill their teacher before graduation. He has already destroyed the moon, and has promised to destroy the Earth if he can not be killed within a year. But how can this class of misfits kill a tentacled monster, capable of reaching Mach 20 speed, who may be the best teacher any of them have ever had?
#1 - Graduation Time
Season 2 - Episode 24
Time is running out, and the E Class students must decide once and for all whether to kill the teacher who so changed their lives over the past year.
8.75 
#2 - Future Time
Season 2 - Episode 25
Graduation day: one of life's chapters ends and another begins as the students and teachers of Class 3-E go on to forge their own paths in the world.
8.26 
#3 - Final Boss Time
Season 2 - Episode 23
A pitched battle between two super-creatures threatens to harm the students of Class 3-E. Can Koro Sensei protect them while fighting for his life?
8.19 
#4 - Past Time
Season 2 - Episode 16
Following the traumatic story of Koro Sensei's past, the E Class is left reeling after learning revelations about his past deeds and identity. As the gather themselves with this new information, it begins to affect their assassination plans.
8.01 
#5 - Outcome Time
Season 2 - Episode 18
The battle amongst the E-Class comes down to the final two on each side: Karma vs. Nagisa. But, a new obstacle throws a wrench into the E Class's plans.
7.97 
#6 - Nagisa Time
Season 1 - Episode 22
Before Nagisa completely gives into his anger, Terasaka throws a stun-gun at him, urging him not to become a murderer and think about what's truly important. Despite being heavily beaten by Takaoka, Nagisa uses what he learned from Lovro to perform his secret technique; shocking Takaoka with a sudden clap before using the stun-gun Terasaka gave him to bring him to his knees, leaving him with the smile he fears so much before shocking him unconscious. Afterwards, the three assassins from earlier reveal the virus they used is nothing more than an enhanced food-poisoning bug that will wear off eventually, as they didn't agree with Takaoka's methods. The next day, after the affected students recover from their symptoms and Koro-sensei emerges from his crystallized state, the students makes the most of the remainder of their vacation before returning to school for the second term of their assassination classroom.
7.94 
#7 - Talent Time
Season 1 - Episode 13
As Karasuma briefly senses what appears to be a fearsome aura coming from Nagisa, Akira Takaoka, an aquaintance of Karasuma from the Ministry of Defense, is sent to Class 3-E to take over Karasuma's role as P.E. teacher. While initially proving popular with the students to do his light-hearted personality, they soon learn his true nature as a ruthless and sadistic instructor who uses fear and violence to train his pupils. When Karasuma voices his objection, Takaoka challenges him to pick one of his students to face off against him using a real knife. Placing his faith in the aura he felt before, Karasuma nominates Nagisa to fight against Takaoka. Following Karasuma's advice and going against Takaoka's expectations of being afraid of wielding a knife, Nagisa uses the assassination skills he had learned and manages to get the upper hand on Takaoka, winning the match. When Takaoka violently objects to defeat, Karasuma beats him back while Asano fires him, with Karasuma returning to his usual teaching position.
7.89 
#8 - Go Time
Season 1 - Episode 18
The summer assassination attempt is followed by a crisis affecting nearly half the E Class. Can the rest think and move fast enough to save them?
7.88 
#9 - Before & After Time
Season 2 - Episode 6
After an accident, the E Class winds up doing a whole different kind of studying off campus. But will they have a chance to bone up for the midterms?
7.85 
#10 - Vision Time
Season 1 - Episode 14
Koro Sensei exposes a major weakness, and Terasaka interrupts a fun summer day out with an assassination attempt that goes a little too far.
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#11 - Pandemonium Time
Season 1 - Episode 19
The E Class must put their lessons into practice as they tackle an intimidating hotel brimming with baddies--and all without Koro Sensei's help.
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#12 - XX Time
Season 1 - Episode 21
The students take on one last assassin opponent before meeting the shadowy figure who's holding the virus remedy hostage in exhange for Koro Sensei.
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#13 - School's Out - First Term
Season 1 - Episode 16
After two days of exams, the results are in. Both the ace A Class and the end E Class must come to terms with the outcome--and so must Koro Sensei.
7.80 
#14 - Confession Time
Season 2 - Episode 15
Koro Sensei begins to come clean about his background after a tense and terrifying encounter with a student who has her own reasons to kill him,
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#15 - Trust Time
Season 2 - Episode 21
It's time for the last project from Koro Sensei before the E-Class closes out the year, but the government's own plans and threatens to get in the way.
7.76 
#16 - Discord Time
Season 2 - Episode 17
The E class is divided over whether to kill Koro Sensei or try to save him. Koro Sensei suggests a way of settling the issue between the two sides.
7.71 
#17 - Reaper Time, Part 1
Season 2 - Episode 7
A well-intentioned act leads to a falling-out with Professor Bitch. Soon the E Class finds itself facing off alone against a formidable assassin foe.
7.70 
#18 - Reaper Time, Part 2
Season 2 - Episode 8
When Koro Sensei and Mr. Karasuma reach the Reaper's hideout, it's anyone's guess who'll come out on top--especially with wild-card Irina in the mix.
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#19 - Happy Birthday Time
Season 2 - Episode 22
The students fight to see their teacher one last time. A figure from Koro Sensei's past arrives with a serious grudge against the super-creature.
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#20 - Karma Time, Second Period
Season 1 - Episode 20
Karma must use his head to get past a formidable foe. Nagisa goes undercover as the E Class continues to sneak its way to the hotel's top floor.
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#21 - Karma Time
Season 1 - Episode 3
The brilliant, belligerent Karma Akabane, Nagisa's former classmate, joins 3-E and immediately jumps into the assassination mission with both feet.
7.67 
#22 - Valentine's Day Time
Season 2 - Episode 20
Nagisa remains uncertain about his future as high-school entrance exams loom over him. It's time for Class 3-E to celebrate Valentine's Day!
7.65 
#23 - Outer Space Time
Season 2 - Episode 19
Class 3-E has agreed to try and save Koro Sensei. In order to do this, they must track down confidential information -- information that takes the class to another height.
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#24 - Transfer Student Time, Second Period
Season 1 - Episode 11
Class 3-E prepare for the arrival of their second transfer student, who is allegedly more powerful than Ritsu. At that moment, a white-robed man named Shiro arrives with the new student, Itona Horibe, who claims to be Koro-sensei's younger brother. When Itona faces against Koro-sensei later that day, it is revealed that he possesses the same kinda of tentacles Koro-sensei has in his hair. While Shiro uses his knowledge of Koro-sensei's weaknesses to give Itona the advantage, Koro-sensei takes advantage of that Itona's tentacles are identical to his and uses Anti-Sensei knives against them, allowing him to knock Itona out of the ring and win the match. When Itona reacts negatively to the thought of studying and tries to counterattack, Shiro knocks him out and takes him back with him. Afterwards, the class try to ask Koro-sensei about how he and Itona are connected, but he remains tight-lipped, stating they must use assassination to find the answers they seek. The students, determined to kill Koro-sensei before anyone else, decide to have Karasuma teach them more assassination techniques.
7.62 
#25 - Ball Game Tournament Time
Season 1 - Episode 12
A baseball tournament is to be held, in which Class 3-E are forced to play an exhibition match against the top players of the school's baseball club, which Sugino used to be a part of. Despite knowing the odds are against them, particularly when pitted against the club captain Shindo, Sugino remains determined to win, prompting Koro-sensei to coach them for the match, teaching them how to go up against his mach speed fastballs. On the day of the match, Class 3-E use a bunting strategy to load the bases, allowing them to get an early lead. Not willing to let this slide, Asano takes over as the baseball club's coach to put a stop to Class 3-E's bunting strategy, using the power of hypnotic suggestion to turn Shindo into a bloodthirsty warrior. With the bases loaded against them, Class 3-E manage to use some provocations Karma made concerning some unfair play earlier to their own advantage, placing some of their player up close to Shindo to prevent him from swinging without hurting them, allowing Class-E to win the match. Afterwards. Sugino expresses how he wanted to show off the friends he made in Class 3-E, managing to rekindle his old friendship with Shindo.
7.58