The story begins when Geki Red battles Nunchaku Banki after returning from his trip around the world for Natsume's birthday, with Geki Yellow and Geki Blue arriving to provide backup. After sending the Gekirangers into another dimension, the Go-ongers arrive before the Savage Machine Beast departs after his quarry. After clearing a misunderstanding with Geki Violet and Geki Chopper, the two bring them to SCRTC to see Master Xia Fu, with Hant revealing he met Miki at one of his past jobs at the Kyoryuya Curry Shop.
Utsusemimaru returned from beach in dismay due to seeing women in swimsuits. Returning to the Spirit Base, Daigo prepared an indoor beach for Utchi to have fun together. Later, they find Nobuharu tamed by the two festival-themed Debo monsters. Daigo first used the Allomerus Zyudenchi and the Ovirapoo Zyudenchi, then Utchi used the Igaranodon Zyudenchi with an old man gag, which Daigo enjoys.
It is a time of chaos. Earth is no longer what it used to be. It has been infested with a bug like species called the Blue. Yuji Kaido, who has a mysterious disease, is put into suspended animation until a cure is found. When he wakes up Yuji learns that its been more than 20 years since he was put into suspended animation, and the world is now controled by these creatures. He joins a group of soldiers equipped with powerful mechas to fight against the Blue for hope of a better future.