Ultraman Dyna defeats a powerful enemy monster! no! He is a fake! The Gregor, a space fighter who wants a single combat with Dyna, is dressed as Dyna to lure him. The decisive battle is cut off. Dyna, don't lose to Dyna! And there are cunning fake people in the world of Ultraman Gaia! A metal lifeform that analyzes and constructs past Gaia data. Can Gaia surpass yesterday's self! ??
