E1 - Return of the Hero

Released on 9 April, 2019

In this episode, Saitama returns as a certified hero, now ranked in Class B. Genos upgrades his body and takes on a new enemy to prove his strength. The Hero Association warns of rising monster threats and mysterious attacks. King, the so-called strongest man alive, is introduced with a surprising twist. Saitama befriends King, setting the stage for new adventures and challenges.