Overview: Some time after the defeat of Gorgom, Kohtaro Minami attempts to create a new life for himself in peace. But when the Crisis Empire arrives to conquer Earth, they come prepared to deal with the hero; forcing him to awaken a new power to face this new threat.
Overview: Kohtaro 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.
Overview: In order to save the son of the Sahara Family from a wind-controlling knight, Kohtaro must travel to the Demon World where he discovers the truth about the realm of the Crisis Emperor.
Overview: Shigeru and Reiko become caught by Bosgun's moth monster, where Kohtaro has an hour to save them before they mutate into his minions.
Overview: Shigeru befriends a strange extraterrestrial sent by Gedorian to impregnate and ultimately overrun Earth in their numbers.
Overview: When a friend discovers plans for a massive Crisis poison gas weapon, Kohtaro must come to his aid and protect him while preventing the plans from falling into the wrong hands.
Overview: 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.
Overview: 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.
Overview: A monster replaces Shigeru with a perfect clone in a plot by Maribaron to replace all of Kohtaro's friends and allies in order to estrange him.
Overview: Gatezone employs an extremely powerful yet extremely rebellious member of his machine army to use his machine-controlling powers to defeat Kohtaro for the Crisis Empire.
Overview: 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.
Overview: 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.
Overview: 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.
Overview: Pursuing Maribaron and Hitomi in the Demon World, Kohtaro is forced to fight against the assumed traitor Deathgaron, leading to a sorrowful encounter that awakens a new power in RX.
Overview: While still pursuing Hitomi, Kohtaro 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.
Overview: With Hitomi fully transformed into Princess Garonia, Kohtaro has to figure out a way to finally resurrect her memories and save her before he, Shigeru and Joe the Haze are executed by Maribaron's pawn.
Overview: Kohtaro takes on Gedorian's Crisis monster mutating kids while giving them the delusion that they're flying squirrels.
Overview: 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 Kohtaro's protection.