Ep. 41: Arrival at Demonica, the Impregnable Fortress
Aired on June 15, 1975
41
Episodes
- Ep. 37 · Attempt to assassinate Dr. Kabuto at 3.AM!!
- Ep. 38 · Tetsuya Must Not Cry as the Mazinger Gets Stolen
- Ep. 39 · The Final Challenge! The Sky Fortress, Michelos!!
- Ep. 40 · The Crimson Cross of Death!!
- Ep. 41 · Arrival at Demonica, the Impregnable Fortress
- Ep. 42 · The Underwater Graveyard!! The Wounded Runaway!!
- Ep. 43 · No Time Remains! The Fortress of the Scientific Research Institute!
- Ep. 44 · Intense Counterattack: The Volcanic Base Under Fire
- Ep. 45 · The Insane Great Mazinger!!