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 · Trending anime · Airing schedule FormatMangaStatusFinishedSourceOriginalCountryJapan Action · Sci-Fi Shounen · Historical · Super Power · Superhero Team Phoenix (Shared Characters) · Big X (Adaptation) · Tetsuwan Atom Bekkan (Shared Characters) Adolf ni Tsugu · Cyborg 009 · Microid S Akira Asagumo · Big X · Nina Belton (Supporting) · Hans Engel (Supporting) · Shigeru Asagumo (Supporting)