Once again, Musashi has encounter Ultraman Cosmos. Now Ultraman Cosmos has gained some new modes to defeat Scropis. Musashi has joined Team Sea to save the Blue Area. But there is mysterious evil monster, Sandros, who wants to destroy the Earth. Now it is up Musashi and Ultraman Cosmos to defeat Sandros and who’s the other Ultraman?
| Directing | Tsugumi Kitaura | Director |
| Production | Kazuo Tsuburaya | Supervising Producer |
| Writing | Keiichi Hasegawa | Screenplay |
| Writing | Hideyuki Kawakami | Screenplay |
| Visual Effects | Shin'ichi Ôoka | VFX Supervisor |
| Camera | Shin'ichi Ôoka | Director of Photography |
| Art | Tetsuzô Ôsawa | Art Designer |
| Crew | Tsugumi Kitaura | Special Effects Manager |
| Production | Fumio Kojima | Casting |
| Visual Effects | Hiroshi Maruyama | Character Designer |
| Visual Effects | Yasushi Torisawa | Character Designer |
| Visual Effects | Chisato Sugiura | Character Designer |
