Sayonara Zetsubou Sensei Special
Japanese title: さよなら絶望先生
Alternative titles: Sayonara Zetsubou Sensei BD Box OVA, SZS Blu-ray Box Special, Sayonara Zetsubou Sensei: Nyankin no Kirisuto
Type: Special
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Jan 31, 2012
Duration: 24 min
Rating: R - 17+ (violence & profanity)
Studios: Shaft
Genres: Comedy, Mystery
Themes: Gag Humor, Parody
Demographics: Shounen

A new special episode that was distributed to those who purchase all three Blu-ray box sets of Sayonara Zetsubou Sensei series on January 31, 2012.