Five youths begin their battle against the underground forces of Tube as Maskman after they begin a war with the surface with the abduction of the mysterious Mio.

Takeru abandons Commander Sugata's Aura Power training when he receives a message from Mio about her survival and current whereabouts as Tube prepares to punish her.

As Emperor Zeba plunges the world into eternal darkness, the Maskman must complete their Aura Power training, even as Prince Igum decides to face Takeru for the shame Mio has brought him.

The Maskman must save a boy and his father trapped within a tunnel transformed by Oyoboo into an endless Medius tunnel.

Akira's teammates become frustrated with his childish behavior, and he tries to prove himself as Skull Doggler and Fumin start swapping people's faces.

While investigating a series of unusual earthquakes in Otaki, Takeru meets a boy who believes he possesses a legendary martial arts move.

Kenta encounters a girl who likes him, inspiring Baraba to use a Doggler to sabotage his new love.

Igum uses a special flower to lure out Akira and Momoko to save their teammates after the other Maskman become frozen by a Doggler.

Takeru unexpectedly summons an alien child to Earth with his Aura, which interferes with Baraba's scheme to cut off the planet's electricity.

Igum challenges Takeru to his family's ceremonial Death Ring match, a cage showdown where only one of them will leave the battle alive!

Kenta pursues a former ninja from underground who has abducted a crown associated with the truth behind Emperor Zeba.

Haruka is forced to join in a showdown between Fumin and Oyoboo to defeat a ninja Doggler that can grant the ultimate shinobi power

Kenta investigates an idol with a reporter when he discovers she may be part of a plot to create a stronger army of Ungler Soldiers for Tube.

Akira is dragged underground into a city where he meets children of Tube's empire who only dream of the surface and the sky.

A flower cared for by Momoko becomes the key to stopping a Doggler's deadly flower that kills as it sprouts.

Kenta must fight alone against Baraba after the Tube general steals the Aura from his teammates to strengthen his powers.

Takeru is lured by Igum into a building transformed into a maze by a Doggler to confuse and wear him down.

Haruka gives a doll she formerly owned to a girl who desires it, unknowing of the Doggler hiding within threatening to kill her.

Anagmas uses his magic to enhance the Tube forces while making Akira lose his memories during a sneak attack.

Momoko's pride as a kenpo teacher is tested by a powerful opponent set up by Anagmas as part of a scheme to defeat Maskman and Great Five.

With Great Five buried underground, Sugata decides to investigate a rival mecha that has gained infamy for killing its creator.

With Galaxy Robo in their hands, the Maskman head forth to save Great Five, unknowing of the difficulties of doing so and an unknown key to fully activate their new mecha.

A Doggler transforms a woman into a fake, evil Mio to lure Takeru into a Tube trap.

The Maskman are summoned to Inasa where a boy is mutated into a monster by a Doggler as a city friend comes to visit.

Akira enters a martial arts tournament unknowingly controlled by Tube due to a letter he has received from an unexpected writer.