Johnny Sokko and His Flying Robot

Igganog: The Iceberg Monster (1x15)

Air date: Jan 17, 1968

Unicorn suspects that a strange villa standing in the heart of the Japanese Alps is a secret enemy base. When Igganog, a huge iceberg monster uses its' icy, vapor-releasing horns to freeze Giant Robot solid, Unicorn must destroy the base and thaw their mechanical hero in order to combat it!