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Official Site: Toei Company

is Toei's eleventh entry of the Super Sentai Series. It aired on TV Asahi from February 28, 1987 to February 20, 1988, with a total of 51 episodes. Its international English title as listed by Toei is simply Maskman.

Commander Sugata is a scientist and sage who excels in mental reinforcements and is a master of every martial art. He discovered the existence of the Underground Empire Tube, a once peaceful kingdom that has turned into a malignant force under the mysterious Zeba, who desires to conquer the surface. In order to stand against them and thwart their plans, Sugata recruits five young people to become the Maskmen. Each becomes specialized in a style of martial arts, and Sugata teaches them the ways of the mystical "Aura Power" energy. A year after Sugata recruits and trains the Maskmen, the Underground Empire Tube is ready to strike. Princess Ial of the deposed Igam Royal Family, sent to spy above ground as Mio, falls in love with Takeru, and wishes for those underground and above ground to coexist. She is kidnapped and imprisoned in ice for her betrayal. As Takeru and the Maskmen battle Tube, they learn about Ial and Igam's relationship, and a terrible dark secret about Zeba, the Tube leader.

Before Tube sufaced, the group put off the cover of being the Sugata Racing Team.

The is described as a peaceful underground empire that came into being five millennia ago under the rule of the Igam family. Once it comes under the rule of the usurper Zeba, Tube begins preparing for war on the surface. They are based at the Underground Castle until Zeba has it destroyed.

Hikari Sentai Maskman has not been a contender in any CBUB matches.