Ep. 51: The Skull Army, The Murderers From Hell!
Ipinalabas noong Nobyembre 18, 1973
51
Mga Episode
- Ep. 47 · Horrible! Operation Infernal W
- Ep. 48 · The Robotic Fighter Boss!!
- Ep. 49 · The Crazy Robot's Great Fight
- Ep. 50 · Shot Down!! The Jet Scrander
- Ep. 51 · The Skull Army, The Murderers From Hell!
- Ep. 52 · Koji's hurt! Sayaka pilots Mazinger!
- Ep. 53 · Second Transformation!! The Camouflaging Mecha-Beast
- Ep. 54 · Explosion!! The Power Of The Rocket Punch!!
- Ep. 55 · The Great Plan To Descend Mt. Fuji