October is upon us. Sightings of ghouls, ghosts, vampires, and monsters are now commonplace. Orange and black decorations appear in every shop window as a reminder that it's time to hunt for costumes and bite-sized candy. Is Halloween just another excuse for commercialism? Or is there something more we can glean from this festival with roots in the ancient Celtic ritual marking the start of the cold, dark season associated with death? For this month's From the Archive, we've gathered a collection of Halloween-related episodes to help you ponder the deeper side of this sugar-laden day.