Big X Anime Details and Episodes This is a grand-scale hero action adventure in which a boy given an iron body via the secret weapon "Big X," possessed by the Nazis, battles against evil.… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresActionSci-Fi TagsShounenHistoricalSuper PowerSuperhero RelatedTeam Phoenix (Shared Characters)Big X (Adaptation)Tetsuwan Atom Bekkan (Shared Characters) RecommendationsAdolf ni TsuguCyborg 009Microid S CharactersAkira AsagumoBig XNina Belton (Supporting)Hans Engel (Supporting)Shigeru Asagumo (Supporting)