To save the world, Mothra goes back in time in an attempt to defeat a younger King Ghidorah.
| Actor | Role |
|---|---|
| MMegumi KobayashiMoll | Moll |
 Misato TateLora | Lora |
 Aki HanoBelvera | Belvera |
 Atsushi ÔnitaFather | Father |
 Tsutomu KitagawaKingugidora | Kingugidora |
 Koichi UedaMr. Kôchô | Mr. Kôchô |
 Sayaka YamaguchiNarrator | Narrator |
 Shirô NamikiNarrator | Narrator |