Birth of the 10th! Kamen Riders All Together!!

Birth of the 10th! Kamen Riders All Together!! (１０号誕生！仮面ライダー全員集合!!) is a Kamen Rider TV special that aired on January 3, 1984 to celebrate the birth of Kamen Rider ZX, the 10th person to don the Kamen Rider title.

Unfortunately, it did not lead to a Kamen Rider ZX TV series and the Kamen Rider Series would rest once again until the premiere of Kamen Rider Black over three and a half years later, in 1987. This special is often treated as a one-episode season by Toei.

The average ratings of the series was 6.5%

The Tenth Rider
Following the finale of Kamen Rider Super-1 at the end of September 1981, the Kamen Rider Series once again ceased on TV. However, a tenth Kamen Rider, ZX, debuted in an eponymous manga series which began serialization on the July 1982 issue of the Japanese publication Television Magazine. ZX was then featured in a short radio drama broadcast during a special episode of All Night Nippon hosted by Shotaro Ishinomori on August 14, 1982 commemorating the character's official debut, before making his live-action television debut in the special ''Birth of the 10th! Kamen Riders All Together!!''.

Story
Ryō Murasame is an aircraft pilot, one day he was taking his sister out on a ride along the Amazon when they were shot down by an UFO. They survived, captured by Badan Empire with his sister killed while Ryo became the Combat Roid known as ZX. His memory is erased by the Badan Empire and worked as their agent of evil. This doesn't last long as an accident occurs which causes Ryō to regain his memory and escapes Badan. A year later, Ryō begins his attack on Badan as they finish the preparations on their doomsday weapon: the Space Break System. However, a coordinated attack by the Kamen Riders disables the Badancium 84 supplies needed for Space System to work When Ryō arrives, he thinks Kamen Rider V3, Riderman and Kamen Rider Super-1 are enemies until they get him to listen as only one truck full of Badancium makes it to the Badan's base run by Ambassador Darkness.

After being shown a video detailing the history of Kamen Riders 1 to Super-1, Ryō is amazed that there are others like them before joining the Kamen Riders in raiding the base. However, he encounters his former comrade Mikage who forces him to fight as Tiger Roid. After being forced to kill his friend, ZX joins the Kamen Riders as they battle not only Ambassador Darkness and the Combat Roids, but also monsters from the previous organizations. When Ambassador Darkness uses the Space Break System on the Kamen Riders, they synch their powers with ZX using his ZX Kick to kill Ambassador Darkness and destroy Badan's base as its Great Leader appears and bid the Riders farewell. Soon after, ZX joins the Kamen Riders as their 10th member.

Concepts

 * Kamen Rider ZX
 * Mechanic Rider
 * Ninja Rider
 * Kamen Rider 10

Allies

 * Rumi Ichijō
 * Dr. Hajime Kaido
 * Shizuka Murasame

Badan Empire

 * The Generalissimo of Badan
 * Ambassador Darkness
 * Eisuke Mikage/Tiger-Roid

Manga

 * 1) Kamen Rider ZX (TV Magazine manga) (仮面ライダーZX)
 * 2) Kamen Rider ZX (Adventure King manga) (仮面ライダーZX)
 * 3) Kamen Rider ZX (TV Land manga) (仮面ライダーZX)
 * 4) Kamen Rider Spirits (仮面ライダーSPIRITS)
 * 5) Shin Kamen Rider Spirits (新・仮面ライダーSPIRITS)

S.I.C. Hero Saga

 * 1) Dragon Road (ドラゴンロード)

Novel

 * 1) Kamen Rider ZX: Original Story (仮面ライダーZX オリジナルストーリー)

Audio Dramas

 * 1) All Night Nippon's radio drama

Cast

 * Ryo Murasame (村雨 良): Shun Sugata (菅田 俊)
 * Shiro Kazami (風見 志郎): Hiroshi Miyauchi (宮内 洋)
 * Joji Yuki (結城 丈二): Takehisa Yamaguchi (山口 豪久)
 * Kazuya Oki (沖 一也): Shunsuke Takasugi (高杉 俊价)
 * Eisuke Mikage (三影 英介), Jigokuroid (ジゴクロイド): Tetsuya Nakayashiki (中屋敷 哲也) (Played as 中屋敷 鉄也)
 * Ambassador Darkness (暗闇大使): Kenji Ushio (潮 健二)
 * Dr. Hajime Kaidō (海堂 肇博士): Eiji Karasawa (柄沢 英二)
 * Dr. Itō (伊藤博士): Kaneomi Ōya (大矢 兼臣)
 * Rumi Ichijō (一条 ルミ): Yumiko Miyake (三宅 友美子)
 * Shizuka Murasame (村雨 しずか): Toshie Fukushima (ふくしま としえ)
 * Kamen Rider 2 (仮面ライダー2号): Takeshi Sasaki (佐々木 剛)
 * Kamen Rider 1 (仮面ライダー1号): Michihiro Ikemizu (池水 通洋)
 * Kamen Rider X (仮面ライダーX): Keisuke Yamashita (山下 啓介)
 * Skyrider (スカイライダー): Tetsuya Kaji (梶 哲也)
 * Kamakiroid (カマキロイド): Kazuo Niibori (新堀 和男)
 * The Generalissimo of Badan (バダン総統): Goro Naya (納谷 悟朗)
 * Narrator (ナレーター): Shinji Nakae (中江 真司)

Songs

 * Opening theme
 * "Dragon Road" (ドラゴン・ロード)
 * Lyrics: Shotaro Ishinomori
 * Composition: Shunsuke Kikuchi
 * Arrangement: Kōji Yoshimura (吉村 浩二)
 * Artist: Akira Kushida


 * Ending theme
 * "Let's Go!! Rider Kick" (レッツゴー!!ライダーキック)
 * Lyrics: Shotaro Ishinomori
 * Composition & Arrangement: Shunsuke Kikuchi
 * Artist: Masato Shimon (as Kōichi Fuji) with Male Harmony

Errors
to be added

DVD Release
The Rider Specials DVD contains three Kamen Rider Series TV specials: All Together! Seven Kamen Riders!!, Immortal Kamen Rider Special and ''Birth of the 10th! Kamen Riders All Together!!''.