100:00:02,168 --> 00:00:03,877NARRATOR:Previously on Supernatural:200:00:04,045 --> 00:00:05,379MARY:Sammy.300:00:05,547 --> 00:00:08,257Take your brother outsideas fast as you can! Go!400:00:12,512 --> 00:00:15,389Dad's on a hunting trip.He hasn't been home in a few days.500:00:19,144 --> 00:00:22,479DEAN: This was Dad's book. l think he