The Halloween Experiment: An Audio Drama (Unabridged‪)‬

The Halloween Experiment is a horror audio drama by Ian Gordon. In the story, an eccentric by the name of Doctor Stephan Helm seeks to rid five troubled patients of their debilitating delusions. We'll hear each of their tales, concerning sleep disorders, strange spectres, and a curious proclivity for Granny Smith apples.... 

But what of the doctor? Could his motivations be even stranger?