A TV special, centered on introduction of Kamen Rider Black RX.

Captured by an alien empire from the planet Dada, Dr. Hayama has programmed the personalities of his two kidnapped sons, Joji and Ryuji, into two Cyberroids to combat the Dada Robot Army and care for his youngest son, Kenji.

Erotic Toku directed by Kazuhiko Matsumoto

With an unquenchable thirst for the blood of virgin women, the wicked King Dark enslaves the brilliant Thai scientist Dr. Wisut to create an army of monsters to put an end to the chivalrous efforts of the cyborg warrior Kamen Riders. When their efforts fail, can the Hindu god Hanuman help? Semi-official Thai/Japan co-production between Chaiyo and Toei. Toei allowed the usage of the Five Riders vs. King Dark film while Chaiyo forgot to license the characters out (Source: Dubbing Wiki).

The Badan Empire killed Ryo Murasame's older sister, and he had been cybernetically remodeled into ZX. However, he regained himself after an accident and stood up fearlessly.

Eiji and Ankh team up with Kotarou and Momotaros as they travel back in time to 1971 aboard the Den-Liner to stop three Mole Imagin. But Ankh’s desire to obtain Core Medals while in the past sets off a chain of events that alters the 40-year history of the Kamen Riders by allowing Shocker to take over the world. It’s up to OOO and New Den-O to restore the timeline!

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 physicist named Tetsuo Okita discovers a new mineral called "Satanium," which is more powerful than uranium and emits destructive effects to anyone exposed to it. However, Destron abducts Okita in hopes of finding the source of Satanium and collecting more of it to expedite their run for global domination. Kamen Rider V3 must act fast in rescuing Professor Okita and preventing Destron from collecting more of the deadly mineral.

Professor Daidōji has developed a gravity machine called the GX Device. Unfortunately, Shocker wants it; so they attack the professor and destroy his laboratory, but come home empty-handed. Shocker's agents find out that the plans for the GX Device are with Daidōji's daughter, who is celebrating her birthday. Now the Kamen Riders, along with FBI agent Kazuya Taki, must protect Daidōji's daughter and prevent Shocker from obtaining the plans.