De feeën van Infant Island ontdekken een verloren stad, evenals een gigantisch monster dat zich aangetrokken voelt tot milieurampen.
Nee, helaas is モスラ2 海底の大決戦 nog niet beschikbaar op Netflix in Nederland.
| Directing | 三好邦夫 | Director |
| Production | Hiroaki Kitayama | Producer |
| Art | Yumiko Arakawa | Art Department Manager |
| Visual Effects | 川北紘一 | Visual Effects Director |
| Production | 田中友幸 | Producer |
| Writing | Masumi Suetanii | Screenplay |
| Writing | 田中友幸 | Story |
| Sound | 渡辺俊幸 | Original Music Composer |
| Production | Ritsuko Suzuki | Associate Producer |
| Production | 富山省吾 | Executive Producer |
| Visual Effects | 川北紘一 | Visual Effects |
| Crew | 川北紘一 | Special Effects |
| Crew | 鈴木健二 | Special Effects |
| Crew | 鈴木健二 | Special Effects Assistant |
| Visual Effects | 鈴木健二 | Visual Effects |
| Visual Effects | 鈴木健二 | Visual Effects Director |
| Directing | 手塚昌明 | First Assistant Director |
| Sound | Minoru Komorita | Original Music Composer |
| Sound | Minoru Komorita | Songs |
| Sound | Minoru Komorita | Music Arranger |
| Writing | Kazuko Kobayashi | Lyricist |
| Sound | 古関裕而 | Music |
| Writing | 関沢新一 | Lyricist |
| Writing | 田中友幸 | Lyricist |
| Writing | 本多猪四郎 | Lyricist |
| Camera | 関口芳則 | Director of Photography |
| Editing | Miho Yoneda | Editor |
| Lighting | 大澤暉男 | Lighting Technician |
| Lighting | 斉藤薫 | Gaffer |
| Lighting | Kazumasa Kawamura | Gaffer |
| Lighting | Hirokazu Kumagai | Gaffer |
| Production | 山中 和成 | Assistant Production Manager |
| Art | 清水剛 | Production Design |
