Sekai Ninja Sen Jiraiya is a Japanese tokusatsu television series from the Metal Hero franchise. It follows the ninja warrior Jiraiya as he battles the evil clan led by Dokusai, using ancient ninja techniques, armor, and high-tech weapons. The series mixes action, fantasy, and martial arts, and is known for its colorful villains and dramatic hero transformations. It was one of the more popular late-1980s entries in the genre.