Nande Koko ni Sensei ga!? Nande Koko ni Sensei-tachi ga!?
Unaired episode included with the Blu-ray box set.
なんでここに先生が!? なんでここに先生たちが!? / Why the Hell are You Here, Teacher!?: Thirteenth Period / Nande Koko ni Sensei ga!? Special Why the Hell are You Here, Teacher!?: Thirteenth Period (Dub)
