Miles brings a paranormal-energy detector into the house so that he can identify spirits, and it goes berserk near Sabrina. But the witch finds out that a ghost lives in the house as well. Sabrina and the spook go head to head to see who gets evicted, while at the same time she also has to protect herself from being exposed. Garth: Devlin Elliott. Miles: Trevor Lissauer. Sabrina: Melissa Joan Hart.