June and Alan are invited to a costume ball at an old estate. Suddenly, a gong sounds and a minotaur on a tapestry begins to glow, June falls into a secret passage where she is confronted with a weird figure that informs her that the castle on the estate is occupied by an evil presence that only she can overcome: as The Enchantress!; Bill Rankin returns home from work to find that his wife and children have been exchanged with an alien family from another dimension.; Two archaeologists stumble upon a gang of alien criminals hiding out on Earth.