Taiya meets Engine Speedor, a small, sentient car who asks Taiya to deliver him to his partner, Sosuke Esumi which is the leader of the Go-ongers.

After Genba having successfully activated BoonBoom Safari, Ishiro and Mira pay a visit to an aquarium looking for inspirations to activate BoonBoom Marine, when the Sunseaters return with a fixed-up Boonboom Killer Robo, eager for a rematch.