Shotaro had become an Interpol agent, working with Branch Robo, the antirobot crime unit of that organization. He still employs Tetsujin.
AnimePiracy is a site to watch online anime like Tetsujin 28-gou (1980) (Dub) SUB online GoGoAnime, or you can even watch Tetsujin 28-gou (1980) (Dub) in HD quality just like KissAnime and 9Anime.