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!
Genres: Action & Adventure , Animation , Comedy , Sci-Fi & Fantasy
Keywords: alien-invasion , amused , anime , based-on-manga , cyborg , fighting , giant-monster , joyful , joyous , karate , martial-arts , monster , optimistic , parody , seinen , social-commentary , super-power , superhero , supernatural , sympathetic , witty , exhilarated , hilarious , philosophical , latest-episodes , watch-series-online , watch-anime-series-online