Season 1

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.

Kouichirou discovers Shibolena performing infiltrations through the internet, forcing him in a situation where the other Megaranger may be rushing into combat without his help.

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 helps Kouichirou get a girl obsessed with him off his back as the Megaranger investigate a strange space lightning storm.

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.

Shun falls for a mysterious girl who is connected with a strange plot involving a beautiful woman causing havoc throughout the world.

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.

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.

Shun is called by a friend attending a gifted high school to investigate their digital research club, who are mysteriously building a weapon for Nejiregia.

A Nezire Beast infects the Megaranger with a deadly poison which gives them only 24 hours to live.

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

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.

Shun and Miku become trapped within a labyrinth of dimensional doors in order to protect a crystal from a Nejire Beast that requires it.

Kenta discovers an egg accidentally left by Nejiregia that he hatches and raises into his new best friend.

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.

Kouichirou and Yusaku investigate an I.N.E.T. employee who claims to have invented a device that will stop Nejiregia.

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

Chisato forces Kouichirou to play along in getting her grandmother off her back regarding getting an arranged marriage.

Miku is tricked into partaking in a Nezire Beast's diet plan that may end up reducing the food supply instead of losing weight.

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.

The female I.N.E.T. programmer behind Kenta's Battle Riser comes to Earth for a crucial upgrade, which MegaRed tries to believe is something more romantic.

Kouichirou's problems in helping his little brother practice soccer lead his brother into becoming a minion in a Nejiregia plot.

Kenta and Miku try to please Hayakawa when they think he's going to die while a Psycho-Nejira tries to take advantage of MegaSilver's greatest weakness.

I.N.E.T. punishes Yusaku for his actions in becoming MegaSilver against their orders just as he prepares his last piece of the Space Mega Project to be revealed.

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.

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.

Chisato and Miku get into an argument over a trifle matter while NeziYellow and NeziPink challenge each other in finishing off their respective Megaranger.

Shun tries to figure a strategy for dealing with the Neziranger, leading to a unique plan to use their fanaticism against themselves.

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!

Kenta mysteriously loses his Digitizer while the rest of the Digital Research Club cleans up for New Years.

As Kenta begins to worry about surviving his last exams, Dr. Hinelar uses Javious' remains to create a new city where he brings in humanity to serve him.

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

Kouichirou and Chisato must weigh whether to complete their university entrance exam or save their powerless friends when they become trapped in 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.

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.