Yuta and his friends attempt to unravel the mystery of the city and everyone else's memories. However, more questions arise when a strange samurai arrives and tries to tamper with Gridman.
Really? The Gridman Alliance? So dumb...
¿De verdad? ¿La Alianza Gridman?
Qué tonto...
सच में? द ग्रिडमैन अलायंस?
क्या बेवकूफ़ी है...
Sério? A Aliança Gridman?
Que idiota...