Following a devastating attack by Vega's forces on planet Fleed, Duke Fleed, and Grendizer escaped to Earth. When he got there, Dr. Amon, the head of the Space Research Center, adopted him and gave him the name Daisuke. While they were working side by side in the center on a quest to find out what strange objects appeared in the city's sky! They were surprised by an attack that jolted Daisuke's memory.
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| Writing | Ichirou Ookouchi | Series Composition |
| Sound | Kouhei Tanaka | Original Music Composer |
| Directing | Shun Kudo | Series Director |
| Directing | Mitsuo Fukuda | Other |
| Writing | Go Nagai | Original Concept |
| Visual Effects | Yoshiyuki Sadamoto | Character Designer |
| Visual Effects | Wataru Inata | Mechanical Designer |
| Visual Effects | AF_KURO | Mechanical Designer |
| Visual Effects | Junichi Akutsu | Mechanical Designer |
| Art | Hiroshi Kato | Art Direction |
| Art | Hirofumi Sakagami | Art Direction |
| Visual Effects | Hiroyuki Taiga | Lead Animator |
| Visual Effects | Takashi Hashimoto | Lead Animator |
| Visual Effects | Rihiro Yamane | Lead Animator |
| Visual Effects | Tooru Yoshida | Lead Animator |
| Visual Effects | Tomoe Yoshimura | Color Designer |
| Camera | Atsushi Usuta | Director of Photography |
| Sound | Yukio Nagasaki | Sound Director |
| Sound | Toshiya Wada | Sound Effects |
| Sound | Maki Takuma | Sound Effects |
