Episode 1
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.
Episode 2
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.
Episode 3
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 4
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.
Episode 5
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 6
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?
Episode 7
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 8
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 9
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 10
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 11
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 12
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 13
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 14
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 15
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 16
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 17
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 18
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 19
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.
Episode 20
Nagisa remains uncertain about his future as high-school entrance exams loom over him. It's time for Class 3-E to celebrate Valentine's Day!
Episode 21
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 22
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 23
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 24
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 25
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.