Katte ni Kaizou Specials
Japanese title: かってに改蔵
Alternative titles: Katteni Kaizou Specials
Type: Special
Source: Manga
Episodes: 3
Status: Finished Airing
Aired: May 25, 2011 to Oct 26, 2011
Duration: 7 min per ep
Rating: R+ - Mild Nudity
Studios: Shaft
Genres: Comedy, Sci-Fi
Themes: Parody, School
Demographics: Shounen

3 specials released with the BD/DVDs.