Gekko, a lizard who dreams of becoming the strongest dinosaur in the universe! One day, he leads a space pirate crew and steals the mysterious 'Gemini Crystal'! If the other gem, 'Gemini Gold', is also lost, the planet Ururu might disappear?! The Go Go Dino team is dispatched to save the planet in crisis! At this moment, a small, cute lizard with sparkling eyes, 'Kkotdakji', appears before the team...