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.

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?

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.

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.

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.

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?

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.

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.

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.

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

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.

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.

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.

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.

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.

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?

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.

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.

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.

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.

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!

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.

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.

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.

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?