Episode guide
Assassination Classroom: Season 1
22 episodes · first aired Jan 9, 2015
A class of junior high "misfit" students who are tasked with assassinating their new teacher, an octopus-like creature nicknamed Koro-sensei, who destroyed the moon and threatens to destroy Earth in a year. The students have to learn to balance their assassination attempts with the lessons from Koro-sensei, who is surprisingly an excellent teacher, while the government offers a ¥10 billion reward for his head. Each episode often focuses on individual students, their growth, and their internal conflicts between wanting to kill their teacher and growing to care for him.
- 1 Assassination Time Jan 10, 2015 · 24m 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!
- 2 Baseball Time Jan 17, 2015 · 24m 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.
- 3 Karma Time Jan 31, 2015 · 24m The brilliant, belligerent Karma Akabane, Nagisa's former classmate, joins 3-E and immediately jumps into the assassination mission with both feet.
- 4 Grown-Up Time Feb 7, 2015 · 24m 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?
- 5 Assembly Time Feb 14, 2015 · 24m Before the torturous school assembly begins, Okuda attempts to poison Koro Sensei in an unexpected way... with unexpected results.
- 6 Test Time Feb 21, 2015 · 24m 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.
- 7 School Trip Time, First Period Feb 28, 2015 · 24m 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.
- 8 School Trip Time, Second Period Mar 7, 2015 · 24m 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.
- 9 Transfer Student Time Mar 14, 2015 · 24m A new student joins the E Class with a singleminded focus on assassination that drives her classmates to distraction. Koro Sensei to the rescue!
- 10 L and R Time Mar 21, 2015 · 24m 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.
- 11 Transfer Student Time, Second Period Mar 28, 2015 · 24m Class 3-E prepare for the arrival of their second transfer student, who is allegedly more powerful than Ritsu.
- 12 Ball Game Tournament Time Apr 11, 2015 · 24m 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.
- 13 Talent Time Apr 18, 2015 · 24m 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…
- 14 Vision Time Apr 25, 2015 · 24m Koro Sensei exposes a major weakness, and Terasaka interrupts a fun summer day out with an assassination attempt that goes a little too far.
- 15 End-of-Term Time May 2, 2015 · 24m 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.
- 16 School's Out - First Term May 9, 2015 · 24m 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.
- 17 Island Time May 16, 2015 · 24m 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.
- 18 Action Time May 23, 2015 · 24m 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?
- 19 Pandemonium Time May 30, 2015 · 24m 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.
- 20 Karma Time, Second Period Jun 6, 2015 · 24m 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.
- 21 XX Time Jun 13, 2015 · 24m 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.
- 22 Nagisa Time Jun 20, 2015 · 24m 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.