One-Punch Man

Season 1, Episode 6

Episode Title: The Terrifying City

Air Date: 2015-11-09

Overview:

It’s been five days since Saitama became a professional hero and he has yet to do anything heroic. When Genos informs him that C-class heroes who don’t fight bad guys are dropped from the hero registry after a week of inaction, Saitama heads out on patrol, yet can’t find any criminals or monsters to stop.