The ↗Sayonara, Zetsubou-Sensei franchise:
- (2007) Sayonara Zetsubou Sensei (1st season, 12 TV episodes)
- (2008) Goku Sayonara Zetsubou Sensei (2nd season, 13 TV episodes)
- (2008) Zoku Sayonara Zetsubou Sensei (sequel, 3 OVA episodes)
- (2009) Zan Sayonara Zetsubou Sensei (3rd season, 13 TV episodes)
- (2009) _ Zan Sayonara Zetsubō Sensei Bangai-chi (OAV) (sequel, 2 OVA episodes)
