Chou Dendou Robo Tetsujin 28-gou FX
Genres: Action, Adventure, Sci-Fi
Type: TV, Episodes: 47
Aired: Apr 5, 1992 to Mar 30, 1993
Studio: Tokyo Movie Shinsha
Source: Unknown
Rating: G - All Ages
Synopsis:
By 2030, Shotaro's son was in charge of Tetsujin-28. An Interpol agent like his father, he used the aged robot to combat the Pink Mafia and the Franken organization. 

(Source: AniDB)