After chasing the mysterious Kamen Rider Dark Ghost, who had suddenly appeared, Takeru Tenkuji arrives at a strange village full of historical figures. Attempting to gather 100 Eyecons, Alain’s dead brother Argos - Kamen Rider Dark Ghost - wishes to create the Ultimate Eyecon and turn everyone on Earth into ghosts. Meanwhile, Makoto’s father Daigo Fukami is seen in the village. Transforming into Kamen Rider Zero Specter, is Daigo an ally or an enemy?
After arguing about whose fashion sense is better, Takaharu and Kinji go outside with their costumes to be judged by the public. Expectedly, they are laughed at due to their outrageous costumes. They then notice a dark aura surrounding several stones, which Kinji depicts as Hyakki Yakou, an event in summer where a hundred Youkai would revive and destroy the town at night.
Kamen Rider 4 is a web series which was released as an accompanying special to the film Super Hero Taisen GP: Kamen Rider 3. It introduced a new rider, Kamen Rider 4, who is the fourth Kamen Rider cyborg created by Shocker after Kamen Riders 1, 2, and 3. The plot goes around a time loop created by the Shocker that resets whenever someone dies, but whenever the loop resets Shocker itself somehow grows stronger and stronger. Thus, it is up to the Riders to decide whether to keep on fighting a useless battle... Or end the loops for good by sacrificing one of their own.
The events of this stage show occur between the movie Kamen Rider Ex-Aid: True Ending and its credit scene. In order to fulfill his promise to Poppy and play together, Emu gathers his friends in a new game called Kamen Rider Carnival!
Dan is a former geisha, now working as an ace pilot for the Earth Defense Troops. Her fiance was killed by the space monster Bemurasu which consumes nuclear waste. To save Planet Earth, Dan attacks Bemurasu, but whenever she does, she feels ecstasy. Can she save Planet Earth?
At the turn of the century, all of the Earth's monsters have been rounded up and kept safely on Monsterland. Chaos erupts when a race of she-aliens known as the Kilaaks unleash the monsters across the world.
Searching for his brother, Ryota stows away on a boat belonging to a criminal alongside two other teenagers. The group shipwrecks on Letchi island and discover the Infant Island natives have been enslaved by a terrorist organization controlling a crustacean monster. Finding a sleeping Godzilla, they decide to awaken him to defeat the terrorists and liberate the natives.
During WWII, Germans obtain the immortal heart of Frankenstein's monster and transport it to Japan to prevent it being seized by the Allies. Kept in a Hiroshima laboratory, it is seeming lost when the United States destroys the city with the atomic bomb. Years later a wild boy is discovered wandering the streets of the city alone, born of the immortal heart.
Kamen Rider Duke: Ryoma Sengoku continues his research of the Sengoku Drivers along with Takatora Kureshima. Takatora thinks that the lives of humanity was the number one priority, however Ryoma disliked his way of thinking increasing the production with cost as the main priority than efficiency. Kamen Rider Knuckle: It's been one year since Kaito disappeared, and peace had returned to Zawame City once more. Zack departed for New York, and left leadership of Team Baron to Peko. However upon hearing that Shura, a former member of Team Baron that Kaito once exiled, had formed his own team, Neo Baron, Zack returns to Zawame City to set things right.
Kouta and Kaito learn their Lockseeds rusted as they and Mai are visited by the mysterious girl who cryptically tells them the best way to restore the Lockseeds is to make them "fresh." From cleaning the Team Gaim garage to Kaito making a fruit tart and then Mai setting up a fashion show, future Mai explains the final step is a fresh smile. Though Kouta succeeds with his Lockseed transformed into a Fresh Orange Lockseed, Kaito is disillusioned and decides to go Hellheim Forest. Found by Kamen Riders Zangetsu and Ryugen, who respectively equip the Mango and Pine Lockseeds, Kaito becomes Kamen Rider Baron Kiwi Arms to call out Kouta as he transforms into the shiny Kamen Rider Gaim Fresh Orange Arms.
The Iron Cross Army are sabotaging oil-tankers with the help of their monster, the Sea-Devil, a semi-mechanical anthropomorphic swordfish with an ability to shoot torpedoes from its mouth. Spiderman employs the help of the interpol agent Juzo Mamiya to help him stop the Iron Cross Army.
In the film, the Crisis Empire devise a plan to defeat Kohtaro Minami by reverting him back to his old form of Kamen Rider Black and sending out several revived monsters after him. However, Kamen Rider Black is assisted by another RX, who used a time warp to help his past self. The two are joined by RX's alternate forms of Robo Rider and Bio Rider and the four Kamen Riders combine their powers to defeat the revived monsters.
A group of revived beast-themed Riders gather to form the "Beast Rider Squad"... and Kamen Rider Ouja, the worst villain Rider, is leading them! Can Kamen Rider Brave hunt them with his new Gashat, "Knight of Safari"? And what is the secret behind this battle?
Bikuu is a Dark Slasher that receives an order from the Senate to take out a rogue priest that has fallen to the darkness, claiming souls using the Soul Insertion technique.
The Dynaman must prevent a powerful new gun invented by a friend of Doctor Yumeno from falling into the hands of the Jashinka.
During a motocross practice, Keisuke Jin is ambushed by two Myth Cyborgs created by a secret organization that's attempting to control Japan, G.O.D. (Government of Darkness). He transforms into Kamen Rider X, but little does he know that his battle is recorded and analyzed by King Dark, G.O.D.'s commander, to create a super cyborg. Other G.O.D. cyborgs are attacking all over Tokyo and in the middle of the crisis, the original four Riders return to Japan from different countries around the world. The five Riders unite to lead a counter attack against G.O.D.
A Masked Monster being chased for stealing a microfilm with EAGLE secrets hides on a houseboat to avoid Kaijo and Asuka's pursuit.
When a mother with an unexpected origin is held hostage by the Vader Clan, the Denziman must come to her rescue.
The spirit of Kiba the Dark Makai Knight influenced everything since the beginning. Though he called himself a Makai Knight, Kiba was no different to a Horror. Kiba's spirit resides inside what was once a grey colored Makai Armor that's filled with the dark knowledge of Makai Power. As Barago absorbed Horror after Horror, Kiba eventually deformed into an organically pure black armor with a cape. Kiba assumed full control over his host upon Meisha's defeat by Kouga.
"Kamen Rider SD: Strange!? Kumo Otoko" is an animated OVA based on the gag manga Kamen Rider SD: Hurricane Legend. This cute and comedic short movie features chibi versions of the Showa Era Kamen Riders, as they team up against the evil GranShocker organization, while Kamen Rider Black RX tries to confess his love to female sports instructor Michiru.