Season 1

1. Assassination Time

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!

2015-01-10 • 24 min

2. Baseball Time

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.

2015-01-17 • 24 min

3. Karma Time

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

2015-01-31 • 24 min

4. Grown-Up Time

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?

2015-02-07 • 24 min

5. Assembly Time

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

2015-02-14 • 24 min

6. Test Time

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.

2015-02-21 • 24 min

7. School Trip Time, First Period

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.

2015-02-28 • 24 min

8. School Trip Time, Second Period

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.

2015-03-07 • 24 min

9. Transfer Student Time

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

2015-03-14 • 24 min

10. L and R Time

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.

2015-03-21 • 24 min

11. Transfer Student Time, Second Period

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

2015-03-28 • 24 min

12. Ball Game Tournament Time

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.

2015-04-11 • 24 min

13. Talent Time

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.

2015-04-18 • 24 min

14. Vision Time

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

2015-04-25 • 24 min

15. End-of-Term Time

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.

2015-05-02 • 24 min

16. School's Out - First Term

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.

2015-05-09 • 24 min

17. Island Time

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.

2015-05-16 • 24 min

18. Action Time

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?

2015-05-23 • 24 min

19. Pandemonium Time

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.

2015-05-30 • 24 min

20. Karma Time, Second Period

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.

2015-06-06 • 24 min

21. XX Time

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.

2015-06-13 • 24 min

22. Nagisa Time

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.

2015-06-20 • 24 min