Ansatsu Kyoushitsu (tv) (dub) Episode 15 -

: Koro-sensei makes a deal with the students: if anyone in Class 3-E places first in any subject, they gain the right to destroy one of his tentacles, making him easier to assassinate.

: The students face intense academic pressure and intimidation from the main campus students, specifically the "Big Five" of Class A. Ansatsu Kyoushitsu (TV) (Dub) Episode 15

This episode is a major turning point in the series, focusing on a massive revelation regarding one of the students. : Koro-sensei makes a deal with the students: