Episode 11 : Halloween Special Deadwood: City of Ghosts (Fairmont Hotel & Adams House)
Ghost Adventures visits Deadwood, SD, one of America’s most violent, deadliest towns. They visit two locations, and during the lockdown, Billy feels a sharp pain in his neck as a violent spirit is seen hovering over his head.
(This was originally the second half of a two-hour Halloween special first aired on 2015-10-31. It has since been syndicated by the Travel Channel as a separate episode).