6 : The Terrifying City -

: The ninja villain makes another appearance, continuing his obsession with challenging Saitama to a rematch. One Punch Man Recap: Episode 6 “The Terrifying City”

: Having recently registered as a professional hero, Saitama realizes he has done nothing "heroic" in five days. If he does not perform a heroic act within a week, he risks being dropped from the Hero Registry. 6 : The Terrifying City

: A powerful monster known as Kombu Infinity arrives in City Z, drawn by rumors that strong monsters gather there. After easily defeating two Class A heroes (Golden Ball and Spring Mustachio), the monster encounters Saitama. : The ninja villain makes another appearance, continuing

: Saitama’s disciple continues to observe his master’s casual approach to world-ending threats while trying to understand the "secret" to his strength. 6 : The Terrifying City