Zekkyou Gakkyuu
Japanese title: 絶叫学級
Alternative titles: Ribbon x Oha Suta Specials, Ribon x Oha Suta Specials
Type: Special
Source: Manga
Episodes: 3
Status: Finished Airing
Aired: Oct 23, 2012 to Nov 6, 2012
Duration: 1 min per ep
Rating: G - All Ages
Producers: TV Tokyo
Genres: Supernatural
Demographics: Shoujo

Three episodes aired on TV as part of the Ribon x Oha Suta specials.