best episodes of Assassination Classroom poster

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?

2 Seasons
47 Episodes
Ended
Animation Comedy Action & Adventure Sci-Fi & Fantasy
Cast & Characters
episode image Graduation Time
9.5/10 (1129 votes)

#1 Graduation Time

S2:E24

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.

episode image Past Time
9.0/10 (536 votes)

#2 Past Time

S2:E16

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.

episode image Final Boss Time
8.6/10 (439 votes)

#3 Final Boss Time

S2:E23

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?

episode image Future Time
8.6/10 (456 votes)

#4 Future Time

S2:E25

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.

episode image Confession Time
8.3/10 (389 votes)

#5 Confession Time

S2:E15

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.

episode image Outcome Time
8.3/10 (387 votes)

#6 Outcome Time

S2:E18

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.

episode image Nagisa Time
8.0/10 (417 votes)

#7 Nagisa Time

S1:E22

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.

episode image Reaper Time, Part 2
8.0/10 (364 votes)

#8 Reaper Time, Part 2

S2:E8

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.

episode image Secret Identity Time
8.0/10 (362 votes)

#9 Secret Identity Time

S2:E14

Following the drama festival, the E Class learn that one of their classmates is hiding a big secret connected to Koro Sensei's past!

episode image Action Time
7.9/10 (375 votes)

#10 Action Time

S1:E18

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?

episode image Discord Time
7.9/10 (333 votes)

#11 Discord Time

S2:E17

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.

episode image Happy Birthday Time
7.9/10 (356 votes)

#12 Happy Birthday Time

S2:E22

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.

episode image XX Time
7.8/10 (365 votes)

#13 XX Time

S1:E21

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.

episode image Karma Time
7.7/10 (492 votes)

#14 Karma Time

S1:E3

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

episode image Transfer Student Time, Second Period
7.7/10 (388 votes)

#15 Transfer Student Time, Second Period

S1:E11

Class 3-E prepare for the arrival of their second transfer student, who is allegedly more powerful than Ritsu.

episode image Trust Time
7.7/10 (342 votes)

#16 Trust Time

S2:E21

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.

episode image Talent Time
7.6/10 (386 votes)

#17 Talent Time

S1:E13

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.

episode image Karma Time, Second Period
7.6/10 (365 votes)

#18 Karma Time, Second Period

S1:E20

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.

episode image Reaper Time, Part 1
7.6/10 (330 votes)

#19 Reaper Time, Part 1

S2:E7

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.

episode image Think Outside the Box Time
7.6/10 (320 votes)

#20 Think Outside the Box Time

S2:E12

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.

episode image Vision Time
7.5/10 (369 votes)

#21 Vision Time

S1:E14

Koro Sensei exposes a major weakness, and Terasaka interrupts a fun summer day out with an assassination attempt that goes a little too far.

episode image Pandemonium Time
7.5/10 (359 votes)

#22 Pandemonium Time

S1:E19

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.

episode image Let Live Time
7.5/10 (327 votes)

#23 Let Live Time

S2:E13

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.

episode image Grown-Up Time
7.4/10 (455 votes)

#24 Grown-Up Time

S1:E4

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?

episode image Ball Game Tournament Time
7.4/10 (384 votes)

#25 Ball Game Tournament Time

S1:E12

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.

episode image Leader Time
7.4/10 (325 votes)

#26 Leader Time

S2:E5

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.

episode image Round Two Time
7.4/10 (324 votes)

#27 Round Two Time

S2:E9

The students consider their future career options. Nagisa struggles to come to terms with his talent; meanwhile, his mother has her own plans for him.

episode image Assassination Time
7.3/10 (608 votes)

#28 Assassination Time

S1:E1

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!

episode image Test Time
7.3/10 (423 votes)

#29 Test Time

S1:E6

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.

episode image School's Out - First Term
7.3/10 (363 votes)

#30 School's Out - First Term

S1:E16

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.

episode image School Festival Time
7.3/10 (314 votes)

#31 School Festival Time

S2:E10

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?

episode image End-of-Term Time - Second Period
7.3/10 (312 votes)

#32 End-of-Term Time - Second Period

S2:E11

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.

episode image Assembly Time
7.2/10 (425 votes)

#33 Assembly Time

S1:E5

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

episode image School Trip Time, First Period
7.2/10 (416 votes)

#34 School Trip Time, First Period

S1:E7

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.

episode image School Trip Time, Second Period
7.2/10 (402 votes)

#35 School Trip Time, Second Period

S1:E8

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.

episode image Transfer Student Time
7.2/10 (398 votes)

#36 Transfer Student Time

S1:E9

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

episode image End-of-Term Time
7.2/10 (366 votes)

#37 End-of-Term Time

S1:E15

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.

episode image Island Time
7.2/10 (365 votes)

#38 Island Time

S1:E17

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.

episode image Itona Horibe Time
7.2/10 (330 votes)

#39 Itona Horibe Time

S2:E3

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

episode image Before & After Time
7.2/10 (320 votes)

#40 Before & After Time

S2:E6

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?

Cast & Chracters

character image Koro-sensei (voice)

Koro-sensei (voice)

Actor: Jun Fukuyama
character image Nagisa Shiota (voice)

Nagisa Shiota (voice)

Actor: Mai Fuchigami
character image Karma Akabane (voice)

Karma Akabane (voice)

Actor: Nobuhiko Okamoto
character image Kaede Kayano (voice)

Kaede Kayano (voice)

Actor: Aya Suzaki
character image Touka yada (voice)

Touka yada (voice)

Actor: Ayaka Suwa
character image Aguri Yukimura (voice)

Aguri Yukimura (voice)

Actor: Ayako Kawasumi
character image Megu Kataoka (voice)

Megu Kataoka (voice)

Actor: Chie Matsuura
character image Sousuke Sugaya (voice)

Sousuke Sugaya (voice)

Actor: Eiji Miyashita
character image Kirara Hazama (voice)

Kirara Hazama (voice)

Actor: Fuuko Saito
character image Hinano Kurahashi (voice)

Hinano Kurahashi (voice)

Actor: Hisako Kanemoto
character image Ryuunosuke Chiba (voice)

Ryuunosuke Chiba (voice)

Actor: Junji Majima
character image Hiromi Shiota (voice)

Hiromi Shiota (voice)

Actor: Kotono Mitsuishi
character image Takuya Muramatsu (voice)

Takuya Muramatsu (voice)

Actor: Kouki Harasawa
character image Gakushuu Asano (voice)

Gakushuu Asano (voice)

Actor: Mamoru Miyano
character image Rio Nakamura (voice)

Rio Nakamura (voice)

Actor: Manami Numakura
character image Itona Horibe (voice)

Itona Horibe (voice)

Actor: Megumi Ogata
character image Sumire Hara (voice)

Sumire Hara (voice)

Actor: Miho Hino
character image Hinata Okano (voice)

Hinata Okano (voice)

Actor: Minami Tanaka
character image Kotaro Yanagisawa (voice)

Kotaro Yanagisawa (voice)

Actor: Mitsuaki Madono
character image Reaper (voice)

Reaper (voice)

Actor: Nobunaga Shimazaki
character image Taiga Okajima (voice)

Taiga Okajima (voice)

Actor: Ryou Naitou
character image Yuuma Isogai (voice)

Yuuma Isogai (voice)

Actor: Ryota Osaka
character image Jiritsu "Ritsu" Shikou Kotei Houdai (voice)

Jiritsu "Ritsu" Shikou Kotei Houdai (voice)

Actor: Saki Fujita
character image Yukiko Kanzaki (voice)

Yukiko Kanzaki (voice)

Actor: Satomi Sato
character image Manami Okuda (voice)

Manami Okuda (voice)

Actor: Sayuri Yahagi
character image Rinka Hayami (voice)

Rinka Hayami (voice)

Actor: Shiho Kawaragi
character image Hiroto Maehara (voice)

Hiroto Maehara (voice)

Actor: Shintaro Asanuma
character image Kouki Mimura (voice)

Kouki Mimura (voice)

Actor: Shinya Takahashi
character image Irina Jelavic (voice)

Irina Jelavic (voice)

Actor: Shizuka Itoh
character image Gakuhou Asano (voice)

Gakuhou Asano (voice)

Actor: Show Hayami
character image Masayoshi Kimura (voice)

Masayoshi Kimura (voice)

Actor: Shunsuke Kawabe
character image Ryouma Terasaka (voice)

Ryouma Terasaka (voice)

Actor: Subaru Kimura
character image Gastro (voice)

Gastro (voice)

Actor: Takehito Koyasu
character image Tadaomi Karasuma (voice)

Tadaomi Karasuma (voice)

Actor: Tomokazu Sugita
character image Taisei Yoshida (voice)

Taisei Yoshida (voice)

Actor: Yoshiyuki Shimozuma
character image Teppei Araki (voice)

Teppei Araki (voice)

Actor: Anri Katsu
character image Nobuta Tanaka (voice)

Nobuta Tanaka (voice)

Actor: Hiroki Goto
character image Kunudon (voice)

Kunudon (voice)

Actor: Kurumi Mamiya
character image Chousuke Takada (voice)

Chousuke Takada (voice)

Actor: Masahito Yabe
character image Sakura Kiyashiki (voice)

Sakura Kiyashiki (voice)

Actor: Hibiku Yamamura
character image Nagisa's Father (voice)

Nagisa's Father (voice)

Actor: Ikuji Nose
character image Ren Sakakibara (voice)

Ren Sakakibara (voice)

Actor: Kaito Ishikawa
character image Tomoya Seo (voice)

Tomoya Seo (voice)

Actor: Shun Takagi
character image Natsuhiko Koyama (voice)

Natsuhiko Koyama (voice)

Actor: Teppei Akahira
character image Koutarou Takebayashi (voice)

Koutarou Takebayashi (voice)

Actor: Takahiro Mizushima

The highest rated episode of Assassination Classroom is "Graduation Time" (S2E24) with a rating of 9.50.

This episode received 1,129 votes.


The lowest rated episode is "Outer Space Time" (S2E19) with a rating of 6.80.

This episode received 322 votes.

The highest rated episode is "Nagisa Time" (S1E22) with a rating of 8.00.

This episode received 417 votes.


The lowest rated episode is "Baseball Time" (S1E2) with a rating of 7.00.

This episode received 499 votes.

The highest rated episode is "Graduation Time" (S2E24) with a rating of 9.50.

This episode received 1,129 votes.


The lowest rated episode is "Outer Space Time" (S2E19) with a rating of 6.80.

This episode received 322 votes.

Name Department Job
Ayumi Miyakoshi Art Art Direction
Kazuto Shimoyama Art Art Direction
Seiji Kishi Directing Series Director
Masanori Sakamoto Editing Editor
Rie Ito Editing Assistant Editor
Noriko Ozaki Production Producer
Aya Suzaki Sound Theme Song Performance
Mai Fuchigami Sound Theme Song Performance
Naoki Sato Sound Music
Nobuhiko Okamoto Sound Theme Song Performance
Noriko Izumo Sound Sound Effects
Ryota Osaka Sound Theme Song Performance
Satoki Iida Sound Sound Director
Shintaro Asanuma Sound Theme Song Performance
Kazuaki Morita Visual Effects Character Designer
Keiko Kurosawa Visual Effects Supervising Animation Director
Tomohito Hirose Visual Effects Mechanical Designer
Shion Miyawaki Writing Lyricist
Shouko Fujibayashi Writing Lyricist
Yūsei Matsui Writing Comic Book

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