The meteorite believed to have once killed off the dinosaurs actually rattled the Earth into two parallel universes — Another Earth and Dino Earth, where dinosaurs continued to thrive. Now they have evolved into the Saurians, a race of humanoid dinosaurs, and the Bakuryu , a race of mechanized dinosaurs. But the wall between our universes has been breached. The Evolians that have been at war with the Saurians and Bakuryu have invaded, and it's up to the Abarangers to protect the world!

地球防衛隊・スカイフォースの基地が次元戦団バイラムに襲われ、実験中だったバードニックウェーブは地球の4人の若者に照射されてしまう。基地から生還した天堂竜はバードニックウェーブを浴びた4人を探し出し、鳥人戦隊ジェットマンとして次元戦団バイラムに立ち向かっていく。