The Terrifying City | (dub) 6 :

: While patrolling, Saitama encounters Speed-o'-Sound Sonic , who is desperate for a rematch. Saitama eventually subdues him after Sonic begins terrorizing the town to force a fight.

: Reappears as a persistent rival to Saitama. (Dub) 6 : The Terrifying City

: Two Class A heroes, Golden Ball and Spring Mustachio , are sent to investigate but are defeated by the monster Kombu Infinity . : While patrolling

: The Hero Association investigates the "ghost town" area of City Z, which is rumored to be a hotbed for powerful monsters. Saitama encounters Speed-o'-Sound Sonic

: A Class C hero who attempts to bully Saitama to boost his own popularity. Thematic Elements One Punch Man Recap: Episode 6 “The Terrifying City”