Assassination Classroom: Meeting Time is a special anime that premiered in fall 2014, produced by Lerche.

About the production: the story comes from a manga, there is 1 episode of about 10 minutes and its current status is "finished".

Its main genres are action, comedy and supernatural, with themes such as Teacher, School, Anti-Hero and Shounen.

On AniList, Assassination Classroom: Meeting Time has an average score of 71%, a good score, and appears on 31,683 users' lists.

Episode 0 of the Ansatsu Kyoushitsu TV series screened at the Jump Festa 2014 events. Later included as an extra in volume 1 of the Blu-ray and DVD release. Koro-sensei reminisces about his first meeting with Karasuma, where they first butted heads and fought against each other, ultimately coming to respect one another. However, Karasuma eventually points out their actual meeting wasn't nearly as eventful. (Source: IMDb)

Official synopsis from AniList.