Eden 1 rules over about 50 planets throughout the galaxy. With the aid of his two faithful retainers Duke Sukedo and Baron Kakusu, Prince Mito decides to undertake a royal inspection tour of the planets undercover. However, the empire is a dangerous place and is plagued with vice feudal lords and corrupt space merchants, as well as other evil people. Using the royal family's weapon, the combining robot Daiohja, Prince Mito punishes any kind of villians that are within Eden 1's empire.
Unfortunately the series Robot King Daioja is not yet available on Disney Plus. Follow us on Facebook to see when Robot King Daioja becomes available on Disney Plus!
| Visual Effects | Kunio Okawara | Mechanical Designer |
| Production | Nobuyuki Okuma | Producer |
| Visual Effects | Akihiro Kanayama | Animation Director |
| Art | Kazuko Katsui | Art Direction |
| Visual Effects | Nobuyoshi Sasakado | Character Designer |
| Sound | Chumei Watanabe | Music |
| Writing | Hiroyuki Hoshiyama | Series Composition |
| Sound | Kouichi Chiba | Sound Director |
| Production | Hironori Nakagawa | Producer |
| Directing | Katsutoshi Sasaki | Director |
| Production | Masami Iwasaki | Producer |
