Parola chiave Pteranodon

1992: pochi mesi dopo lo scontro tra Mothra, Godzilla e Battra, un grande uovo viene rinvenuto su un'isola. Il dottor Kazuma Aoki (inventore di una nave volante anti-Godzilla chiamata Garuda) e la dottoressa Azusa Gojo analizzano l'uovo ma il gigantesco pteranodonte Rodan attacca il campo base per proteggere il fratello non ancora nato. Poco dopo lo stesso Godzilla emerge dall'acqua ed elimina apparentemente Rodan...

In the present a team of four anthropomorphic dinosaurs, created by aliens, must stop three anthropomorphic velociraptors who want to cause a cataclysm that would speed up global warming and make Earth's climate pleasant for dinosaurs again.

Five young warriors from the ancient civilization of Dinosaur-evolved Humans are awakened in the present day after 170 million years of suspended animation when their sworn enemy, Bandora the Witch, is inadvertently released from her magical container on Planet Nemesis by two astronauts. The five warriors, the Zyurangers, must summon the power of mechanical-looking deities known as the Guardian Beasts, each modeled after a different prehistoric beast, in order to protect mankind from Bandora's evil forces.