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Kotaro begins to realize the new power he has gained by becoming Kamen Rider Black RX, even as a robotic member of the Crisis Empire has him targeted for battle.

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In order to save the son of the Sahara Family from a wind-controlling knight, Kotaro must travel to the Demon World where he discovers the truth about the realm of the Crisis Emperor.

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When Shigeru and Reiko become caught by Bosgun's moth monster, Kotaro has an hour to save them before they mutate into his minions.

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Shigeru befriends a strange extraterrestrial sent by Gedorian to impregnate and ultimately overrun Earth in their numbers.

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When a childhood friend of his discovers plans for a massive Crisis poison gas weapon, Kotaro must come to his aid and protect him while preventing the plans from falling into the wrong hands.

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A girl who suddenly becomes a genius becomes the target for the Crisis Empire due to a secret kept from her by her parents regarding who she really is.

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Maribaron decides to use one of Gedorian's weaker monsters to assist in a plot to brainwash humanity by manipulating the purity of a cactus-loving girl.

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A monster replaces Shigeru with a perfect clone in a plot by Maribaron to replace all of Kotaro's friends and allies in order to estrange him.

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Gatezone employs an extremely powerful yet extremely rebellious member of his machine army to use his machine-controlling powers to defeat Kotaro for the Crisis Empire.

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A Crisis monster is brought in to manipulate Reiko's dreams to use her to draw suspicion against Kohtaro and thus use her against RX.

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Shigeru finds a strange green stone needed by the Crisis Empire to activate their new dimension-switching device as the daughter of the scientist behind it pursues him to get it back.

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When Maribaron accidentally kills the Crisis Emperor's cloned daughter, she decides to fix her mistake by abducting the Sahara daughter, Hitomi, as her replacement.

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Pursuing Maribaron and Hitomi in the Demon World, Kotaro is forced to fight against the assumed traitor Deathgaron, leading to a sorrowful encounter that awakens a new power in RX.

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While still pursuing Hitomi, Kotaro encounters a strange cyborg who wishes to work on his side, but is under the control of a harsh, mind-controlling warrior of the Crisis Empire.

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Kotaro takes on Gedorian's Crisis monster mutating children while giving them the delusion that they are flying squirrels.

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Crisis creates a second sun over Tokyo, forcing the city to burn unless a scientist can develop a special magnetic gun that can eliminate the threat while under Kotaro's protection.

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Shigeru Sahara
Kotaro Minami

Maribaron
Hitomi Sahara
Shunkicki Sahara
Utako Sahara
Reiko Shiratori
Dasmader
Narrator