The Island of Fear
Gandal wants to discover the hiding place of Grendizer. So he launches a massive attack. Koji tries to confront the enemies alone, but he only succeeds to crush himself on a deserted island. Finally Duke Fleed makes it there and saves the day.

Cast
Kei TomiyamaDuke Fleed / Daisuke Umon (voice)
Hiroya IshimaruKoji Kabuto (voice)
Joji YanamiGenzo Umon / Great King Vega (voice)
Chiyoko KawashimaHikaru Makiba (voice)
Kosei TomitaDanbei Makiba / General Gandal / Nuke / Whiter (voice)
Kazuko SawadaGoro Makiba / Lady Gandal (voice)
Rihoko YoshidaGrace Maria Fleed / Commander Marine (voice)
Banjo GingaScience Minister Zuril (voice)
Kenichi OgataBlaki / Bunta Arano (voice)
Keaton YamadaAkira Hayashi (voice)UFO Robot Grendizer on tvt

