Ambassador Magma (マグマ大使, Maguma Taishi) is the title and protagonist of a manga and tokusatsu TV series created by Osamu Tezuka. The TV series, produced by P Productions, Seven Arts Television and Krantz Films, was aired on Fuji TV from July 4, 1966, to September 25, 1967, lasting a total of 52 episodes. It is the first color tokusatsu TV series in Japan, beating Tsuburaya Productions' Ultraman to the air by six days. The show later aired in the US, dubbed in English, as The Space Giants. Digital Manga crowdfunded the manga, and it is currently available for digital purchase on their Emanga site.