Moroboshi High becomes exposed to attack when intentionally targeted by Hinelar for the Megaranger, leading to their expulsion.

As the Megaranger try to cope with their estranged status from society, Yugande convinces Shibolena to upgrade him for an all-out final attack.

As Dr. Hinelar launches a final assault on Earth, the Megaranger must stand up against Kubota's rival to face down their criticisms and finally complete their jobs as high school students.