Kikou Souseiki Dynaman The Big Mt. Aso Explosion Operation Season 1 Episode 16 Airdate: May 21, 1983 Synopsis The Dynaman head to Kyushu where Megiddo is using an Evolution Beast to set up a massive eruption of Japan's largest volcano. ← Ninjutsu vs. Chimera Witchcraft All episodes Fear! Kyushu Major Earthquake →