When the deviants of Class 3-E get a tentacled creature as a teacher, they finally get an assignment that sparks motivation-kill the teacher.

Special Features
Seasons 1 & 2
Interview With the Dub Cast
Episode Commentaries
Top 10 Moments
The Many Faces of Koro Sensei
Episode 0 "Meeting Time"
Textless Opening and Ending Songs
Episode Previews
Trailers
The Movie: 365 Days' Time
Video Commentary
Promo Videos
Trailers