Títulos Alternativos: US: Deteriorating Stream / A Fool’s Adequacy / The First-time Condition | FR: Ruisseau en détérioration | CN: 劣化流水 / 痴人的煞有其事 / 门外汉的条件 | JP: ｢劣化流水｣／｢痴人のアリ｣／｢一見の條件｣ | MAL: Sayonara Zetsubou Sensei | ALT: Sayonara Zetsubo Sensei | ALT: Goodbye Teacher Despair | ALT: SZS | JA: さよなら絶望先生 | EN: Sayonara, Zetsubou-Sensei