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.
If you're a friend of Gridman,
please help him out!
Retten Sie gefälligst Gridman,
wenn Sie ein Bekannter von ihm sind!
Si eres amigo de Gridman,
¡por favor ayúdanos!
Si vous connaissez Gridman,
sortez-le du pétrin !
Se é um amigo de Gridman,
por favor, o ajude!