Strange sounds in the attic, objects moving without explanation or the appearance of eerie apparitions can cause the imagination to believe our surroundings might be haunted. But what do you do when these things occur repeatedly and can't be explained away easily? Who are you going to call? Short of dialing up the crew from "Ghost Busters," there are a number of ghost hunting groups in Vermont who will investigate what you've experienced.

Marie Fitzgerald of Vermont Ghost Hunters and Jeff Stewart of Paranormal Investigators of New England reveal the methods they use to prove or disprove the presence of a ghost and discuss what they've found in Vermont buildings.

Also on the program, Burlington businessman Jack McMullen lays out his platform in his campaign as the Republican candidate for Attorney General. McMullen, who has run for U.S. Senate in the past, will face the winner of the Democratic primary between incumbent Bill Sorrell and Chittenden County State's Attorney T.J. Donovan.

And, as part of our continuing Summer School series, we learn the how-tos and what-fors of pickling.