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.

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.

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.

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.

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

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

An assault by Kiros draws Takeru away from research for Shot Bomber's replacement, where he finds out the truth about Mio and her current fate.

The Maskman rush to face a Doggler while their new cannon remains incomplete against the warnings of their head engineer, who has personal ties with their enemy.

Kenta discovers a derelict car of a racing friend he decides to use to cheer him up, even while being chased by Oyoboo for accidentally obtaining a part of Baraba's latest plot.

Takeru encounters an underground girl who wants to help him even though she has sworn her love to Kiros.

Igum uses a Doggler to turn twin sisters into a combined menace as they destroy while trying to reunite with one another.

Kiros uses a Doggler to remove Kenta's courage, forcing a boy he protected to help him rediscover his dreams to regain it.

During a revenge attack by Kiros for stopping his previous research, Akira begins to hear a strange chant from underground that makes his eyes go blind.

The underground refugees complete a ritual in an attempt to awaken a great hero, but instead awaken a Doggler of the Igum clan who rewards its power to a surprising warrior...

With Kiros possessing Iaul's frozen body, Takeru and Igum both try to get her back in order to control her ultimate fate before the thief knight can thaw her out.

Iaul and the Maskman obtain a ball that reveals the truth behind Emperor Zeba, even as he begins his final plan to raise the Underground Castle and cover the world in darkness.

As Zeba finally unleashes eternal darkness upon the world, the Maskman must work with the twins of the Igum royal family and complete the restoration of light upon two realms.