As if we needed further proof that Sammy Winchester is the American incarnation of Harry Potter, here we have an episode about dementors . . . er . . . shtriga. But the best thing about this (admittedly cool) case ep is the backstory we get, particularly regarding Dean.
( By the pricking of my thumbs, something wicked this way comes )
( By the pricking of my thumbs, something wicked this way comes )