One-Punch Man

Season 1, Episode 10

Episode Title: Unparalleled Peril

Air Date: 2015-12-07

Overview:

Saitama tags along to an emergency meeting of Class S heroes and discovers that a seer has foretold a serious danger threatening the Earth. Though the crisis could occur anytime in the next six months, the heroes are surprised to hear the roar of explosions that very hour!