Zan Sayonara Zetsubou Sensei
Genres: Comedy
Type: TV, Episodes: 13
Aired: Jul 5, 2009 to Sep 27, 2009
Studio: Shaft
Source: Manga
Rating: R - 17+ (violence & profanity)
Synopsis:
Nozomu Itoshiki is still the bizarre teacher of the even stranger Class 2-F. He attempts to teach his students the negative aspects of the world and society, only to have each circumstance thrown at his face whenever he tries. With more students and friends than before, Zetsubo-sensei's life becomes harder and crazier than ever before.

(Source: ANN)