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.
I hear it! Gridman's voice!
Wir hören dich!
Das ist also Gridmans Stimme!
¡La escucho! ¡La voz de Gridman!
– J’entends la voix de Gridman !
– Moi aussi…
Eu ouço! A voz de Gridman!