Yuta Hibiki wakes up in the home of his classmate, Rikka Takarada, with amnesia. A voice from an old computer, identifying himself as "Gridman," has a mission for him, but can he even survive the next day of school without his memories?
Up there! Up there!
There's a giant kaiju! A giant kaiju!
Schau mal nach oben!
Dort ist ein riesiges Monstrum!
¡Arriba! ¡Arriba! ¡Hay un kaiju gigante!
¡Hay un kaiju gigante!
Regarde derrière, en haut !
Y a un monstre géant !
वहाँ ऊपर! वहाँ एक विशालकाय प्राणी है!
एक विशाल जीव!
Ali em cima! Ali em cima!
Tem um monstro gigante! 