The Magic Serpent (怪竜大決戦, Kairyū Daikessen, The Mystic Dragons' Decisive Battle) is a 1966 tokusatsu kaiju/ninja fantasy film produced by Toei Company Ltd. This film is a loose retelling of the famous Japanese folktale, Jiraiya Gōketsu Monogatari (The Tale of the Gallant Jiraiya).Just like Toei's many superhero shows, this film is just as action-packed and colorful.