After Yuko has defeated the evil Rogles, peace descended upon Earth and the magical world of Vecanti. But a new threat has arisen: an enigmatic man named Glames from the Dark World, possessor of a sword named Leethus, is planning to conquer both Earth and Vecanti, convinced that there is no other way to save his world from imminent destruction. A young girl from the Dark World named Cham escapes from Glames, and asks Yuko to help her stop him with the aid of her Valis sword.
Unfortunately the movie Valis III is not yet available on HBO Max.
| Writing | Bunzou Matsui | Writer |
| Art | Osamu Nabeshima | Art Direction |
| Directing | Yukito Ohayashi | Director |
