Mackenzie Hannigan

Strange antics, such as boarding up his windows, cause Melinda and Jim to question the sanity of their new neighbour. It isn't until Melinda sees a ghost attached to the neighbour that she realises he is not only being haunted, but that the ghost is trying to kill him. Upon confronting the ghost, Melinda learns that he is seeking revenge.

JD is pushed aside in favour of a new intern, and Turk's wedding invitations are sent out. Meanwhile, the fight is on for a female colleague's attention.