Lina and Gourry visited the town in a certain beach. In that town, a mysterious incident which is that the person who had eaten the octopus was not able to speak the languages other than the octopus language happened frequently. And, Gourry who does not know the incident eats slices of raw octopus, and he cannot speak words other than the octopus language. Ameria and Zelgadiss who came there by chance are involved in the trouble, too and the fight with the clan of the octopus which lives in the beach starts.
Unfortunately the movie Slayers Premium is not yet available on HBO Max.
| Writing | Hajime Kanzaka | Author |
| Directing | Junichi Sato | Director |
| Editing | Shigeru Nishiyama | Editor |
| Sound | Takayuki Hattori | Music |
| Writing | Junichi Sato | Screenplay |
| Writing | Rui Araizumi | Characters |
| Camera | Kouichi Shimomura | Director of Photography |
| Visual Effects | Koichi Usami | Key Animation |
| Visual Effects | Kazuya Saito | Key Animation |
| Visual Effects | Toshiyuki Kanno | Key Animation |
| Visual Effects | Jun Shibata | Key Animation |
| Visual Effects | Isao Sugimoto | Key Animation |
| Visual Effects | Fumitoshi Oizaki | Key Animation |
| Art | Junichiro Nishikawa | Art Direction |
| Visual Effects | Tetsuya Kumagai | Animation Director |
| Visual Effects | Tetsuya Kumagai | Character Designer |
| Visual Effects | Hiroshi Mimata | Key Animation |
| Visual Effects | Yoshihiro Matsumoto | Key Animation |
| Visual Effects | Hideki Fukushima | Key Animation |
| Visual Effects | Koichi Hatsumi | Key Animation |
| Visual Effects | Satoshi Hata | Key Animation |
| Visual Effects | Yuichi Nakazawa | Key Animation |
| Visual Effects | Itsuko Takeda | Key Animation |
| Visual Effects | Haruhito Takada | Key Animation |
| Visual Effects | Fujio Suzuki | Key Animation |
| Visual Effects | Takashi Shiokawa | Key Animation |
| Visual Effects | Masakatsu Sasaki | Key Animation |
| Visual Effects | Tomoaki Sakiyama | Key Animation |
| Visual Effects | Akemi Kobayashi | Key Animation |
| Visual Effects | Akira Kikuchi | Key Animation |
| Visual Effects | Hiroyuki Oue | Key Animation |
| Visual Effects | Yuji Ushijima | Key Animation |
| Visual Effects | Keizou Ichikawa | Key Animation |
| Visual Effects | Toshiyuki Arai | Key Animation |
| Visual Effects | Wataru Abe | Key Animation |
| Visual Effects | Akiko Asaki | Key Animation |
| Visual Effects | Nobuto Akada | Key Animation |
