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: 7/31/2026Network: Fuji TVStatus: Ended
School Trip Time, First Period
star
8.28
29 votes

#1 - 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.

Past Time
star
10.31
32 votes

#2 - Past Time

Season 2 - Episode 16 - Aired 4/29/2016

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.

Writer: Makoto Uezu
Reaper Time, Part 2
star
12.00
2 votes

#3 - Reaper Time, Part 2

Season 2 - Episode 8 - Aired 2/26/2016

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.

Writer: Makoto Uezu
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Future Time
star
12.50
4 votes

#4 - Future Time

Season 2 - Episode 25 - Aired 7/1/2016

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.

Writer: Makoto Uezu
Graduation Time
star
12.50
4 votes

#5 - Graduation Time

Season 2 - Episode 24 - Aired 6/24/2016

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.

Writer: Makoto Uezu
Before & After Time
star
12.67
3 votes

#6 - Before & After Time

Season 2 - Episode 6 - Aired 2/12/2016

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?

Writer: Makoto Uezu
Nagisa Time
star
12.67
3 votes

#7 - Nagisa Time

Season 1 - Episode 22 - Aired 6/20/2015

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.

Writer: Makoto Uezu
Action Time
star
12.67
3 votes

#8 - Action Time

Season 1 - Episode 18 - Aired 5/23/2015

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?

Talent Time
star
12.67
3 votes

#9 - Talent Time

Season 1 - Episode 13 - Aired 4/18/2015

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.

Writer: Makoto Uezu
L and R Time
star
13.00
2 votes

#10 - 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.

Pandemonium Time
star
13.00
2 votes

#11 - Pandemonium Time

Season 1 - Episode 19 - Aired 5/30/2015

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.

Writer: Makoto Uezu
Let Live Time
star
13.00
2 votes

#12 - 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
Final Boss Time
star
13.33
3 votes

#13 - Final Boss Time

Season 2 - Episode 23 - Aired 6/17/2016

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?

Writer: Makoto Uezu
Outcome Time
star
13.33
3 votes

#14 - Outcome Time

Season 2 - Episode 18 - Aired 5/13/2016

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.

Writer: Makoto Uezu
Reaper Time, Part 1
star
14.00
1 votes

#15 - 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
Spinning Time
star
14.00
2 votes

#16 - 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
Vision Time
star
14.00
2 votes

#17 - Vision Time

Season 1 - Episode 14 - Aired 4/25/2015

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

Writer: Makoto Uezu
Grown-Up Time
star
14.00
1 votes

#18 - 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?

School's Out - First Term
star
15.00
2 votes

#19 - School's Out - First Term

Season 1 - Episode 16 - Aired 5/9/2015

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.

Writer: Makoto Uezu
End-of-Term Time
star
16.00
1 votes

#20 - 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
School Festival Time
star
16.00
1 votes

#21 - 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
Itona Horibe Time
star
16.00
1 votes

#22 - 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
Karma Time, Second Period
star
16.00
1 votes

#23 - Karma Time, Second Period

Season 1 - Episode 20 - Aired 6/6/2015

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.

Writer: Makoto Uezu
Island Time
star
16.00
1 votes

#24 - 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
School Trip Time, Second Period
star
16.00
1 votes

#25 - 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.