Ok, am I just dumb, or are there others that are confused with this episode??? There seems to be a lot of needless things in this episode that just confuse the issue: barking dogs, what did this signify?, visits to people, that are for sure to be killed, only to not be. Then at the end, he is laying in a clump at the bottom of the stairs, sees blood in the painting (I don't know what that meant either), then he says it time to go outside, and......IT ENDS!! I thought the story was o.k., until the end comes and I am left hanging with questions I don't have answers for. For me, my least favorite episode of the series so far. I just didn't get it.
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