Episode 28

Before & After Time is the twenty-eighth episode of the Assassination Classroom anime and the sixth episode of Season 2. It first premiered in Japan on 11 February 2016.

Summary
With mid-terms two weeks away and only five months before Korosensei's deadline, some of the Class E students decide to study and train at the same time. But when their recklessness causes them to injure an old man, Korosensei forbids the class to study and help out at the nursery the old man was running.