It was only going to be a matter of time, the Maitland-Deetz family thought. They knew that Betelgeuse was bound to return and come back to the house at some point.
What they weren't expecting, however, once he does return, was for him to be human, for him to be a breather. Now they're desperate in figuring out how this all happened in the first place. As well as trying to get him accustomed to being a breather.
But how exactly are they going to do just that when he's so used to being a demon?