A theatrical release of The Return of Ultraman as part of the Spring Toho Champion Festival along with other films like Godzilla vs. Gigan, The Adventures of Hutch the Honeybee, Mirrorman, and Mock the Oak Tree.
UFOs appear on Earth, and people who actually see them suddenly find that their blood has turned blue. Soon panic and hysteria result in the new "blue-bloods" being persecuted by the rest of mankind, and eventually certain all-too-familiar measures begin to be taken against them.
Warriors were chosen to battle the Dark Science Empire Death Dark. They fight using Future Science and their weapons are inspired by gymnastics apparatus.