At school, Zastin accidentally reveals the secret about Lala being an alien. Zastin also takes Lala, Rito and Haruna to space to be ambassadors of peace. They meet an alien, Prince Carter from the planet Burroughs, who invites them on a hunt at a secret underground alien hunting preserve in the jungles of Guyana. The one with the most success on the hunt wins the title of the Greatest Hunter in the Universe. They encounter dinosaurs, Amazons who wished to marry Rito and a giant gorilla "Ginga Kong" which Haruna tames. In the end Haruna wins the title as the Greatest Hunter in the Universe.