Ep. 58: The Fortress Of Hell's Castle!!
Aired on January 6, 1974
58
Episodes
- Ep. 54 · Explosion! The Power Of The Rocket Punch!!
- Ep. 55 · The Grand Scheme To Climb Down Mount Fuji
- Ep. 56 · The Super Alloy Z, Stolen!
- Ep. 57 · Dr. Hell's Military Occupation of Japan
- Ep. 58 · The Fortress Of Hell's Castle!!
- Ep. 59 · The Devil Declares War On Hell Island
- Ep. 60 · Mazinger Z Launches Its Secret Weapon!!
- Ep. 61 · Lyne X's Song and the Robot's Destiny
- Ep. 62 · A Surprise Boss Robot Flies Into The Air