Mardakko steals the Rashinban Kyutama, that is necessary to find the final piece of Argo and the Kyurangers give chase, encountering Space Sheriff Gavan Type-G and the Dekarangers along the way.
With eight members in their team, the Kyurangers confront Eridrone and Stinger on Earth. In the occasion, Lucky once again asks Stinger to join their cause, and Stinger must decide between fighting them or becoming an enemy of Jark Matter.
Now with the 12 member team working together, the Kyurangers set to Planet Toki to reclaim a new Kyutama that allows them to travel through time. Once arriving there, Kotaro has an unexpected encounter with his mother.
Stinger returns to Earth to confront Scorpio alone but ends up controlled by his poison; Kotaro also returns and joins the other Kyurangers to help him.
Shou Ronpo sends the Kyurangers to wipe out five enemy outposts at once, though Spada refuses to ignore the population's suffering and decides to help them with his cooking. But when Ikargen and Mardakko appear, Shou Ronpo himself intervenes to everyone's surprise.
Tsurugi hijacks a Jark Matter station to declare to the whole universe that he will defeat Don Armage once more; However, when he ends up risking civilians' lives, Lucky loses his patience towards him.