An alien assassin, Omega, who makes a living by hunting down Space Sheriffs, arrives on Earth. Adapting a helmet, twin shoulder cannons, and other weapons into his fighting style after losing to Gavan and Sharivan, Omega is now targeting Shaider and challenges him to a fight to the death. Space Sheriff Shaider is the film adaptation of the Metal Heroes series of the same name. This movie takes place between episodes 19 & 20 of the TV show.

Pursuit! The Strange Kidnappers! is the second movie of Uchuu Keiji Shaider. This movie takes place between episodes 39 and 40, and was released on December 22, 1984.

television series

北川市郊外的湖内突然出现了恐龙。于是奥特警备队将恐龙冷冻，请环境生态学的户根崎教授进行调查。在夜间恐龙突然消失。同时户根崎教授面前出现了一对神秘男女，自称是他们让恐龙复活的。他们发明了理想的未来城市「生态都市」。对地球环境恶化感到焦虑的户根崎教授为了实现理想而协力，不过这却是梅特龙星人的可怕陷阱。