What is it?

During season 7 Hellatus (break in Supernatural before Season 8) decided to rewatch from the beginning and see how the threads of the series came together.  I was a late addition to the supernatural family, (about season 5) during which I back watched all the other episodes. Didn't finish till just weeks before Season 7, so this is my first full Hellatus interval.    Will be posting my musings including some systematic mapping of the episodes. Enjoy!  And here's a view to encourage enjoyment:)