The WORST episodes of Assassination Classroom

Every episode of Assassination Classroom ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Assassination Classroom!

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?

Last Updated: 11/17/2024Network: Fuji TVStatus: Ended
L and R Time
star
7.50
208 votes

#1 - L and R Time

Season 1 - Episode 10 - Aired 3/21/2015

Irina is greeted by her former master, retired assassin Lovro, who thinks she should give up as she has no chance of killing Koro-sensei. Hoping to prove him wrong, Koro-sensei proposes a match between Irina and Lovro to see who will be the first to 'kill' Karasuma, offering Karasuma his own incentive should neither win. Despite Lovro's doubts after he fails to kill Karasuma himself, Irina manages to use what she's learned targeting Koro-sensei to get close, with Karasuma accepting defeat at her hands and Lovro acknowledging her efforts. Later, Nagisa, Karma, and Ritsu accompany Koro-sensei on a mach speed trip to Hawaii to watch the premiere of a new movie, getting a lecture along the way and learning a lot more about Koro-sensei's point of view. On their way back, a man in a while cloak observes alongside a boy, the second transfer student who claims to be Koro-sensei's brother.

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Summer Festival Time
star
7.55
156 votes

#2 - Summer Festival Time

Season 2 - Episode 1 - Aired 1/8/2016

Koro Sensei and his students try some matchmaking at the end of their island trip. Class 3-E's eventful summer ends with a taste of pure festival fun.

Writer: Makoto Uezu
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Island Time
star
7.56
182 votes

#3 - Island Time

Season 1 - Episode 17 - Aired 5/16/2015

The E Class trains intently under a pro killer to prepare for their island assassination. Once there, they must make sure everything falls into place.

Writer: Makoto Uezu
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Baseball Time
star
7.57
274 votes

#4 - Baseball Time

Season 1 - Episode 2 - Aired 1/17/2015

The reasoning behind the E Class's segregation is revealed. Nagisa tracks Koro Sensei's weak points in the hopes of using them to take him down.

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End-of-Term Time
star
7.57
178 votes

#5 - End-of-Term Time

Season 1 - Episode 15 - Aired 5/2/2015

For finals, Koro Sensei gives his class a new goal--with an irresistible reward. The E Class makes its own deal with the top-tier A Class's Big Five.

Writer: Makoto Uezu
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Transfer Student Time
star
7.57
212 votes

#6 - Transfer Student Time

Season 1 - Episode 9 - Aired 3/14/2015

A new student joins the E Class with a singleminded focus on assassination that drives her classmates to distraction. Koro Sensei to the rescue!

Writer: Makoto Uezu
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Assassination Time
star
7.61
331 votes

#7 - Assassination Time

Season 1 - Episode 1 - Aired 1/10/2015

A creature who blasted the moon into a crescent shows up at Kunugigaoka Junior High School--and he's giving the students a year to assassinate him!

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Itona Horibe Time
star
7.63
143 votes

#8 - Itona Horibe Time

Season 2 - Episode 3 - Aired 1/22/2016

Koro Sensei faces off against the powerful, tentacled Itona and his handler Shiro yet again, revealing more of his teaching philosophy along the way.

Writer: Makoto Uezu
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Grown-Up Time
star
7.64
254 votes

#9 - Grown-Up Time

Season 1 - Episode 4 - Aired 2/7/2015

A new foreign-language teacher comes to 3-E with some major ulterior motives... among other things. Will she get any closer to killing Koro Sensei?

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School Trip Time, First Period
star
7.65
246 votes

#10 - School Trip Time, First Period

Season 1 - Episode 7 - Aired 2/28/2015

The students go on a school trip to Kyoto, where they must still keep assassination foremost in their minds. Kanzaki faces trouble from her past.

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Assembly Time
star
7.67
233 votes

#11 - Assembly Time

Season 1 - Episode 5 - Aired 2/14/2015

Before the torturous school assembly begins, Okuda attempts to poison Koro Sensei in an unexpected way... with unexpected results.

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Ball Game Tournament Time
star
7.69
190 votes

#12 - Ball Game Tournament Time

Season 1 - Episode 12 - Aired 4/11/2015

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.

Writer: Makoto Uezu
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School Trip Time, Second Period
star
7.69
219 votes

#13 - School Trip Time, Second Period

Season 1 - Episode 8 - Aired 3/7/2015

The E Class gives a pro sniper plenty of chances to take down Koro Sensei, then try to make the most of what's left of their school trip to Kyoto.

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Test Time
star
7.70
227 votes

#14 - Test Time

Season 1 - Episode 6 - Aired 2/21/2015

Time for midterms! Koro Sensei gives his aspiring assassins an ultimatum as they battle a grueling test and the disdain of the rest of the school.

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Let Live Time
star
7.72
134 votes

#15 - Let Live Time

Season 2 - Episode 13 - Aired 4/1/2016

Principal Asano recalls his first foray into the world of education. In the drama festival, the E Class puts on a play with a few unexpected twists.

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Kaede Time
star
7.73
146 votes

#16 - Kaede Time

Season 2 - Episode 2 - Aired 1/15/2016

Kaede comes up with a delicious plan of attack, Class 3-E plays an intense game of Cops and Robbers, and Koro Sensei is accused of a serious crime.

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Outer Space Time
star
7.73
138 votes

#17 - Outer Space Time

Season 2 - Episode 19 - Aired 5/20/2016

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.

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Think Outside the Box Time
star
7.73
135 votes

#18 - Think Outside the Box Time

Season 2 - Episode 12 - Aired 3/25/2016

The end-of-term exams come down to one doozy of a final problem. Principal Asano comes to Koro Sensei with a little wager that has a lot riding on it.

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Spinning Time
star
7.74
140 votes

#19 - Spinning Time

Season 2 - Episode 4 - Aired 1/29/2016

Itona endears himself to the boys in Class 3-E as he shows off his assassination creation. The students call each other code names for an entire day.

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Transfer Student Time, Second Period
star
7.76
201 votes

#20 - Transfer Student Time, Second Period

Season 1 - Episode 11 - Aired 3/28/2015

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.

Writer: Makoto Uezu
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Leader Time
star
7.77
145 votes

#21 - Leader Time

Season 2 - Episode 5 - Aired 2/5/2016

Competition between the elite A Class and downtrodden E Class heats up at the school sports festival, with Isogai's livelihood hanging in the balance.

Writer: Makoto Uezu
Watch Now:AmazonApple TV
Karma Time
star
7.83
263 votes

#22 - Karma Time

Season 1 - Episode 3 - Aired 1/31/2015

The brilliant, belligerent Karma Akabane, Nagisa's former classmate, joins 3-E and immediately jumps into the assassination mission with both feet.

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Reaper Time, Part 1
star
7.84
147 votes

#23 - Reaper Time, Part 1

Season 2 - Episode 7 - Aired 2/19/2016

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.

Writer: Makoto Uezu
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School Festival Time
star
7.84
143 votes

#24 - School Festival Time

Season 2 - Episode 10 - Aired 3/11/2016

Each class at Kunugigaoka Academy is competing for the highest sales totals in the school festival. How can the E Class even hope to stand a chance?

Writer: Makoto Uezu
Watch Now:AmazonApple TV
End-of-Term Time - Second Period
star
7.85
136 votes

#25 - End-of-Term Time - Second Period

Season 2 - Episode 11 - Aired 3/18/2016

It's exam time again, and the cream-of-the-crop A Class is a bigger threat than ever before. Top-ranking Asano, however, has something up his sleeve.

Writer: Makoto Uezu
Watch Now:AmazonApple TV