Versions

Manga

Mitsuteru Yokoyama's Original

Tetsujin 28: Emperor's Emblem

Anime

Tetsujin 28 (1963 series)

New Tetsujin 28 (1980 series)

Tetsujin 28 FX (1992 series)

Tetsujin 28 (2004 series)

Tetsujin 28: The Daylight Moon (2007 movie)

American Versions

Gigantor (Antarctic Press)

Imagi Movie (Note: This film is still in progress, and details may change)