第 5 集: 埼玉在匿名英雄活動三年後，加入英雄協會尋求認可。
2015年11月2日 播出
Though he's been doing the hero gig for three years, Saitama realizes that the public knows nothing about him. Determined to get a little recognition, he decides to become a pro hero, but first he must pass the Hero Association tests and become a full-fledged member. (Source: Daisuki)