S04E09 I Know What You Did Last Summer
Drama, Fantasia, Terror
Ruby meets Sam and Dean in a bar to tell that the intern Anna Milton has just escaped from a mental institution and is chased by the demons. The Winchester brothers head to the asylum and they discover the hideout of Anna in a church; the young woman discloses that she can overhear angels since September, 18th, i.e., the day Dean left hell. The powerful demon Alastair attacks Sam and Dean to capture Anna, but Ruby rescues Anna Milton and hides her. Meanwhile Sam discloses his relationship with Ruby to Dean and why he trusts her. Out of the blue, Castiel and Uriel arrive in the hideout of Anna Milton and tell Sam, Dean and Ruby that they want to kill Anna.