Judul Goodbye Mr. Despair OAD, Sayonara Zetsubou Sensei OAD, Goodbye Mr. Despair OVA, GSZS, 獄・さよなら絶望先生 Type OVA Status completed Episode 3 Season Durasi 25 min. per ep. Rilis Oct 17, 2008 to Feb 17, 2009 Update September 27, 2025 Genre comedy, gag-humor, parody, school, shounen,