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.
Gridman!
Gridman! Kämpfe gemeinsam mit mir!
¡Gridman!
Gridman, bats-toi à mes côtés !
ग्रिडमैन!
Gridman!