I.N.E.T. forces Professor Kubota to allow another scientist to use an auto-program on the Galaxy Mega as opposed to the Megaranger as Dr. Hinelar improves on the Nejire Beasts.

Miku is trapped within a Neziregia plot to destroy a high-tech building while being forced to date a boy who knows her secret.

Chisato fights to protect a young girl from the grasp of a mysterious nun guiding children to a Nejiregia trap.

Kouichirou has problems with a lazy, uncouth teacher as they end up fighting to protect a meteorite from Nejiregia's grasp.

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As their vacation continues, Kouichirou encounters a boy tied to a forest he claims the Megaranger will destroy while fighting Nejiregia.

After seemingly defeating a tough Nejire Beast, the Megaranger are pursued by a strange man who suspects a greater problem with their recent battle.

Yusaku is punished by Kubota for stealing the MegaSilver prototype and abandoning his I.N.E.T. duties as the other Megaranger pursue a strange beach illness.

Kenta and Shun's teamwork connection becomes endangered when Shun loses his memory against a desperate Guirail.

Dr. Hinelar gives Guirail a capsule to make him powerful enough to finally defeat the Megaranger, without revealing the horrifying cost of his new power.

With Super Galaxy Mega being devastated by the mindless Mad Guirail, Kubota instructs the Megarangers to separate the formation and travel to the moon on the Delta Mega to gain the completed Space Mega Project from Hayakawa while they desperately try to hold off Mad Guirail on Earth with the Galaxy Mega.

A jealous Psycho-Nejirar switches Chisato's voice with it's own just as she needs it for a singing competition.

When Dr. Hinelar releases an evil Sentai squadron which destroys the Megaranger, Kubota is forced to investigate their connection to Dr. Samejima, his former friend and partner.