Tetsujin 28-gou (2004)
English name: Tetsujin 28
Genres: Adventure, Drama, Sci-Fi
Type: TV, Episodes: 26
Aired: Apr 8, 2004 to Sep 30, 2004
Studio: Palm Studio
Source: Unknown
Rating: G - All Ages
Synopsis:
In post-WWII Japan, Prof. Shikishima has built up Shikishima Industries to be a technological powerhouse, working on developing robots. However, at the heart of their success lurks a dark secret from the war, something that cost the life of Prof. Kaneda, the mentor of Prof. Shikishima. Now Kaneda's son, Shoutarou, is about to learn the truth, and it will change him forever. 

(Source: ANN)