Supernatural

watch supernatural season6 episode7
When several people kill themselves after asking for the truth, Sam and Dean investigate and realize that Veritas, an ancient goddess of truth, has been summoned. Her victims die when the hear more truth than they can stand. However, when Dean is cursed, he decides to take advantage of the situation to ask Sam a few questions.

watch supernatural season6 episode6
While investigating a series of murders caused by vampires, one of them feeds Dean his blood. While Dean tries to fight off the compulsion to feed on humans, Samuel arrives with a cure... but it will require the blood of the vampire that converted him.