Specials
4 episodes
Great Mazinger Vs. Getter Robo ~ 1
March 21, 1975
Great Mazinger Vs. Getter Robot G: The Great Clash in the Sky ~ 2
July 26, 1975
UFO Robot Grendizer vs. Great Mazinger ~ 3
March 20, 1976
Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! Great Sea Beast ~ 4
July 18, 1976