Mader is trying to unify the land of Asato using giant robots. A legend says that a champion, the giant of Iron, will come to destroy all lesser armour. Mader's ambitious son Hai tries to kill him and his other children, Hai's own brother Jordy and little sister Chururu, wanting no question as to the succession.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Legend Begins | 1984-10-05 | 25 min |
| Season 1 | Episode 2 | Galient Awakens | 1984-10-12 | 25 min |
| Season 1 | Episode 3 | The Battle of White Valley | 1984-10-12 | 25 min |
| Season 1 | Episode 4 | Following Jirulu | 1984-10-26 | 25 min |
| Season 1 | Episode 5 | Weightless Valley | 1984-11-02 | 25 min |
| Season 1 | Episode 6 | The Secret Which Sleeps in the Ground | 1984-11-09 | 25 min |
| Season 1 | Episode 7 | Troops Approach Laudan | 1984-11-16 | 25 min |
| Season 1 | Episode 8 | Prosecution of Madaru | 1984-11-23 | 25 min |
| Season 1 | Episode 9 | Hirumuka is Judged | 1984-11-23 | 25 min |
| Season 1 | Episode 10 | Heavy Equipment Blows the Reforming Fire | 1984-12-07 | 25 min |
| Season 1 | Episode 11 | Horseman and Hero | 1984-12-15 | 25 min |
| Season 1 | Episode 12 | Identity of Madaru | 1984-12-22 | 25 min |
| Season 1 | Episode 13 | JoJo Worries | 1984-12-29 | 25 min |
| Season 1 | Episode 14 | Oh, Mother Monoiwanu | 1985-01-11 | 25 min |
| Season 1 | Episode 15 | Iron Castle Escape | 1985-01-18 | 25 min |
| Season 1 | Episode 16 | Madaru Kick-off | 1985-01-25 | 25 min |
| Season 1 | Episode 17 | Showdown of Fate | 1985-02-01 | 25 min |
| Season 1 | Episode 18 | The End of Azubesu | 1985-02-08 | 25 min |
| Season 1 | Episode 19 | Collapse of the White Valley | 1985-02-15 | 25 min |
| Season 1 | Episode 20 | Towering Ambition | 1985-02-22 | 25 min |
| Season 1 | Episode 21 | Turbulent City | 1985-03-01 | 25 min |
| Season 1 | Episode 22 | Feria Play | 1985-03-08 | 25 min |
| Season 1 | Episode 23 | Ramp Planet | 1985-03-15 | 25 min |
| Season 1 | Episode 24 | Collapse of the Illusion | 1985-03-22 | 25 min |
| Season 1 | Episode 25 | A Shaft of Light in the Legend | 1985-03-29 | 25 min |
| Directing | Ryosuke Takahashi | Director |
| Production | Takahiko Kimoto | Producer |
| Production | Tohru Hasegawa | Producer |
| Production | Norio Hatsukawa | Producer |
| Writing | Ryosuke Takahashi | Writer |
| Visual Effects | Tsuneo Ninomiya | Opening/Ending Animation |
| Visual Effects | Norio Shioyama | Character Designer |
| Writing | Ryosuke Takahashi | Original Story |
