The Kaima Extraterrestrials' Great Riot!
Shigeru befriends a strange extraterrestrial sent by Gedorian to impregnate and ultimately overrun Earth in their numbers.
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S9 E1
Child of the Sun! RX
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.
S9 E2
Bathed in Light! RX
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.
S9 E3
RX vs. the Knight of the Wind
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.
S9 E4