Assassination.classroom.s02e25.future.time.1080...

“Now then, class — let’s begin today’s lesson.”

If you are about to watch this file: The final line, spoken by Nagisa to his own students seven years later, is: Assassination.Classroom.S02E25.Future.Time.1080...

It seems you’ve referenced a file title: — likely an episode of the anime Assassination Classroom (Ansatsu Kyōshitsu). “Now then, class — let’s begin today’s lesson