Saitama takes on the alien leader in epic battle as the S class heroes fight the alien warriors and destroy the spaceship.
Did You Know?
The boy at the end has a T-shirt with a marijuana leaf on it. See more
There is a scene at the end of the closing credits. See more
THE HERO!! ~Ikareru ken ni hi wo tsukero~
Lyrics and Music by Hironobu Kageyama
Arrangement by Makoto Miyazaki
Performed by Jam Project See more