Season 1
01. X-X-X-Rider is Born!!
G.O.D., a secret organization, is planning to conquer the world, but a new hero, Kamen Rider X, stands in their way.
02. Run, Cruiser! X-Rider!!
As Keisuke Jin is troubled by no longer being human, a mysterious sound causes everyone who hears it to become violently homicidal.
03. Assassination Dark Spider Operation!!
After a new monster named Hercules is dispatched by G.O.D. to kidnap a foreign envoy, Kamen Rider X devises a plan to rescue him.
04. G.O.D., the Shadow of Fear!!
To obtain "Alpha Gas," G.O.D. kidnaps a scientist’s daughter, leaving Kamen Rider X to rescue her.
05. The One-Eyed Monster's Human Review Operation!
To stop G.O.D.'s latest scheme involving the kidnapping of children, X Rider teams up with a man who has a history of assisting Riders.
06. The Japanese Islands Fragmentation Plan!
When G.O.D.'s newest plan claims a bus full of innocents, Jin Keisuke gives it his all to protect the orphaned daughter of two of the victims.
07. The Terrible Genius Human Project!
Jin Keisuke sets out to discover the cause behind a string of deaths involving elementary and middle school aged children jumping from great heights.
08. Mystery!? Little Earth - Middle Earth - Big Earth
As the fight with G.O.D. continues, Jin Keisuke finally learns the truth behind Ryoko's actions.
09. X-Rider's Great Deadly Training
Kamen Rider X must face G.O.D.'s newest monster, Achilles, in order to protect a young girl fleeing from their experiments.
10. G.O.D. Secret Police! Apollo Geist!!
After his training with Tachibana, X Rider sets out for a rematch with Achilles, but Apollo Geist has more plans in store.
11. The Invulnerable Water Snake Monster Hydra!
As money vanishes across the city, Kamen Rider X must face G.O.D.'s new Hydra monster.
12. Sweep the ESPer Girl Away!
When G.O.D. kidnaps a psychic girl and her mother to force her father’s cooperation, Kamen Rider X and Tobei Tachibana step in to save them.
13. Godradamus' Great Prophecy!
As G.O.D. makes plans to release a killer smog across Tokyo, a new monster named Ulysses is dispatched to distract Kamen Rider X.
14. Apollo Geist's Mad Insect Underworld
When Apollo Geist begins to hatch ancient insects that will plunge humanity into madness, Jin Keisuke charges into battle to save Tachibana.
15. G.O.D.'s Secret Base! X-Rider Sneaks In!!
Keisuke obtains information about a secret G.O.D. base, the Palace of Apollon, and infiltrates it.
16. Apollo Geist Strikes Back! X Rider, Beware!!
X Rider has infiltrated the Palace of Apollon, where the supposedly dead Apollo Geist awaits. Meanwhile, G.O.D.'s monster Kerberos targets Tachibana Toubei with his Fire Plan.
17. Scary! Humans are Being Made into Trees!!
Kamen Rider X must face a new terrifying G.O.D. monster turning people into trees!
18. Scary! It's G.O.D.'s Ghost Cat Plan!
A black cat spreads a mysterious virus, transforming city residents into cat-people.
27. Special Edition, Full Force of Five Riders!!
It is a special episode which acts as a recap of the Kamen Riders up to X-Rider, as well as featuring the return of Shiro Kazami (Kamen Rider V3), who will assist X in his fight against G.O.D..
28. Look! X-Rider's Great Transformation!!
Following the return of Shiro Kazami (Kamen Rider V3) in the previous episode, it debuts a permanent upgrade for X-Rider.
33. Fear! Kingdark's Revenge!!
Keisuke accidentally helps Dr. Yan daughter and entrusts her to Tobee. However, the true identity of the girl was the monster Centipede Youkihi. Kamen Rider X raids G.O.D.'s hideout to save Tobee who was taken hostage. Kamen Rider 2 and Kamen Rider V3 also join the battle.
35. Farewell, X-Rider
Finally, G.O.D. gets all the blueprints of Dr. Nanbara's RS Device and completes it. Kamen Rider X challenges a deadly battle to destroy the device at the expense of his life. However, as the G.O.D. attack intensifies, the giant Kingdark finally begins to move...