Kuso Kagaku Ninkyoden: Gokudo Ninja Dosuryu (空想科学任侠伝 極道忍者ドス竜, Kuusou kagaku ninkyou den gokudou ninja dosu ryuu), better known for its international title as The Ninja Dragon (not to be confused with the 1986 Hong Kong film Ninja Dragon (1986) directed by Godfrey Ho), is a 1990 Japanese direct-to-video action film released by the Tohokushinsha Film Corporation.
It was directed by Go Nagai, his third film as director and his first as a solo director. The film was produced by Dynamic Planning, Moby Dick and the Tohokushinsha Film Corporation. A Laserdisc version was also released in Japan.
It was the first film starring Japanese rock musician Kenji Otsuki. It also features famous female Japanese wrestlers Cutie Suzuki and Mayumi Ozaki, and also Japanese idol Etsuko Shinkoda. The film has cameos of Ken Ishikawa, Chiaki Kawamata, Shintaro Ko, Yoichi Komatsuzawa, Tokitoshi Shiota, Haruka Takachiho, Kunio Nagatani, Kaizo Hayashi, Fujiko F. Fujio, Mari Yagisawa and Tetsu Yano.
A manga was also created by Go Nagai and Shinoyama Isami, and released as a single tankōbon on November 7, 1990 by Kadokawa Shoten. A 219 pages light novel was also released in 1990, written by Kazuo Sakurai and published by Enix, with the ISBN 4-900527-46-7 and ISBN 978-4-900527-46-1.
Kenji Otsuki as Ryu Momoji/Yu Shinoyama/Ninja Dragon
Tetsuya Matsui as Suzuka Hatai/Ninja Defender
Cutie Suzuki as Jun Saruwatari
Etsuko Shinkoda as Shinobu Nindo
Mayumi Ozaki as Female Killer
Ikko Furuya as Takeo Nindo
Rikiya Yasuoka as Go Ranjuji
Eric Stuart as Ninja Dragon
Tom Wayland as Suzuka Hatai
Lotus as Jun Saruwatari
Anne Sackmann as Shinobu Nindo
Bill Carney as Takeo Nindo
The film was licensed in North America by Central Park Media and was released onto DVD and VHS, under their Asia Pulp Cinema label. The English dub was produced by Audioworks Producers Group in New York City.2002-07-02 subtitled VHS version
2002-08-13 dubbed VHS version
2002-08-13 subtitled/dubbed DVD version
2005-05-24 subtitled/dubbed DVD version (Canada)