When does The Space Giants return?

Ambassador Magma is the title and protagonist of a manga and tokusatsu TV series created by Osamu Tezuka. The TV series, produced by P Productions, aired on Fuji TV from July 4, 1966, to June 26, 1967, lasting a total of 52 episodes. The show later aired in the US, dubbed in English by Krantz Films, as The Space Giants.