Ep. 43: There's No Time!! The Scientific Research Institute Fortress!!
Ipinalabas noong Hunyo 29, 1975
43
Mga Episode
- Ep. 39 · The Final Challenge! The Sky Fortress, Michelos!!
- Ep. 40 · The Crimson Cross of Death!!
- Ep. 41 · Land! The Unbeatable Fortress Demonica!!
- Ep. 42 · The Underwater Graveyard!! The Wounded Runaway!!
- Ep. 43 · There's No Time!! The Scientific Research Institute Fortress!!
- Ep. 44 · Furious Counterattack!! The Volcanic Base's Bombardment!!
- Ep. 45 · The Insane Great Mazinger!!
- Ep. 46 · Fighting Spirit! Until This Life Of Mine Burn Out...
- Ep. 47 · Mortal Blow!! The Ultra-High Speed Great Booster