Kenta Date, a game-playing high schooler, is recruited alongside four other students to unexpectedly become the Megaranger due to the pre-emptive start of an invasion from the dimension of Neziregia.

After barely escaping from Neziregia to I.N.E.T.'s space headquarters, Kenta rashly returns to Earth to deal with them personally.

Kenta confronts Shun about putting his needs over the team's when he chooses to do extra studies over his Megaranger duties.

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.

Kenta is lured by Yugande into solo combat, putting the squad's teamwork at risk.

Chisato becomes suspicious of Kenta's female friend when she starts stealing CDs connected with Nejiregia's latest plot.

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

Kenta falls for a new female substitute teacher whose past project is targeted for Neziregia's usage.

Miku tries to help out a cowardly boy when he starts seeing Kunekune move in to his apartment complex.

Kenta loses confidence in his fighting abilities after he accidentally hits a child being used by Neziregia's newest commander.

Kenta must bridge the differences between an I.N.E.T. engineer and his programmer father in order to gain the programming for the Megaranger's newest mech.

Guirail manipulates Kenta to summon Delta Mega so that Nejiregia can take control of it as their own weapon of destruction.

The Megaranger investigate an island where people are being abducted and changed into coral by a Nejire Beast.

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

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.

While keeping an eye on his identity out of fear of the Neziranger, Kenta is forced to serve a little girl who discovers that he is MegaRed.

The Megarangers work to guide Miku away from the remaining Nezirangers, who are working together to track down and reveal their prey.

The Megaranger track down the stolen Mega Voyager, leading to a climactic showdown with the Nejiranger... and unknowingly advancing Hinelar's ultimate desire!

The Megaranger try to foil a plot in people being manipulated to leave Japan for boats being redirected to Hinelar City.

The Megarangers stage a final assault on Hinelar City to save everyone abducted from Hinelar's ultimate plan, only to be pursued by the still vengeful Neziranger.

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