TV anime created as a part of "24-Hour Television". Since 1978, Japanese TV network NTV has been doing charity event "24-Hour Television" every summer. Tezuka Production created anime specials for the event under the supervision of Osamu Tezuka. "<i>Bremen 4: Jigoku no Naka no Tenshi-tachi</i>" was produced for the 1981 event. Its title means "<i>Bremen 4: Angels in Hell</i>" in English.<br><br> The story is, similar to the Bremen Town Musicians fairy tale by Brothers Grimm, about four animals, Coda the cat, Alegro the dog, Largo the donkey and Minuet the chicken.<br><br> They save Rondo the alien who is on a peace mission. In return Rondo gives them a machine which can transform them into humans. Turned into their new form as humans, they go to the town, where they see the madness of war.<br><br> (Source: AniDB)